973966440 has 64 divisors (see below), whose sum is σ = 2924611200. Its totient is φ = 259483392.

The previous prime is 973966361. The next prime is 973966447. The reversal of 973966440 is 44669379.

It is a super-2 number, since 2×973966440² = 1897221252492547200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 973966440.

It is not an unprimeable number, because it can be changed into a prime (973966447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153246 + ... + 159474.

It is an arithmetic number, because the mean of its divisors is an integer number (45697050).

Almost surely, 2^973966440 is an apocalyptic number.

It is an amenable number.

973966440 is an abundant number, since it is smaller than the sum of its proper divisors (1950644760).

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

973966440 is a wasteful number, since it uses less digits than its factorization.

973966440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546 (or 7542 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 973966440 is about 31208.4353981420. The cubic root of 973966440 is about 991.2457331121.

The spelling of 973966440 in words is "nine hundred seventy-three million, nine hundred sixty-six thousand, four hundred forty".