953640996 has 144 divisors (see below), whose sum is σ = 2901577728. Its totient is φ = 236808000.

The previous prime is 953640983. The next prime is 953641001. The reversal of 953640996 is 699046359.

It is a happy number.

It is a super-2 number, since 2×953640996² = 1818862298503744032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 487821 + ... + 489771.

Almost surely, 2^953640996 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 953640996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450788864).

953640996 is an abundant number, since it is smaller than the sum of its proper divisors (1947936732).

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

953640996 is a wasteful number, since it uses less digits than its factorization.

953640996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 51.

The square root of 953640996 is about 30881.0782842828. The cubic root of 953640996 is about 984.3018564629.

The spelling of 953640996 in words is "nine hundred fifty-three million, six hundred forty thousand, nine hundred ninety-six".