1976040 has 96 divisors (see below), whose sum is σ = 7020000. Its totient is φ = 478080.

The previous prime is 1976017. The next prime is 1976047. The reversal of 1976040 is 406791.

It is a junction number, because it is equal to n+sod(n) for n = 1975995 and 1976013.

It is not an unprimeable number, because it can be changed into a prime (1976047) 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 23 ways as a sum of consecutive naturals, for example, 3711 + ... + 4209.

It is an arithmetic number, because the mean of its divisors is an integer number (73125).

2^1976040 is an apocalyptic number.

1976040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1976040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3510000).

1976040 is an abundant number, since it is smaller than the sum of its proper divisors (5043960).

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

1976040 is a wasteful number, since it uses less digits than its factorization.

1976040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1976040 is about 1405.7168989523. The cubic root of 1976040 is about 125.4869538774.

The spelling of 1976040 in words is "one million, nine hundred seventy-six thousand, forty".