5977440 has 144 divisors (see below), whose sum is σ = 23351328. Its totient is φ = 1363968.

The previous prime is 5977429. The next prime is 5977453. The reversal of 5977440 is 447795.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5977395 and 5977404.

It is a congruent number.

It is an unprimeable number.

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, 9784 + ... + 10376.

It is an arithmetic number, because the mean of its divisors is an integer number (162162).

Almost surely, 2^5977440 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 5977440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11675664).

5977440 is an abundant number, since it is smaller than the sum of its proper divisors (17373888).

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

5977440 is a wasteful number, since it uses less digits than its factorization.

5977440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 5977440 is about 2444.8803651713. The cubic root of 5977440 is about 181.4840274631.

The spelling of 5977440 in words is "five million, nine hundred seventy-seven thousand, four hundred forty".