976440 has 64 divisors (see below), whose sum is σ = 2995200. Its totient is φ = 254592.

The previous prime is 976439. The next prime is 976447. The reversal of 976440 is 44679.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 976398 and 976407.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 976440.

It is not an unprimeable number, because it can be changed into a prime (976447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9429 + ... + 9531.

It is an arithmetic number, because the mean of its divisors is an integer number (46800).

2⁹⁷⁶⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 976440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497600).

976440 is an abundant number, since it is smaller than the sum of its proper divisors (2018760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

976440 is a wasteful number, since it uses less digits than its factorization.

976440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 976440 is about 988.1497862166. The cubic root of 976440 is about 99.2084171665.

The spelling of 976440 in words is "nine hundred seventy-six thousand, four hundred forty".