956091820 has 12 divisors (see below), whose sum is σ = 2007792864. Its totient is φ = 382436720.

The previous prime is 956091817. The next prime is 956091821. The reversal of 956091820 is 28190659.

It is a super-2 number, since 2×956091820² = 1828223136541824800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (956091821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23902276 + ... + 23902315.

It is an arithmetic number, because the mean of its divisors is an integer number (167316072).

Almost surely, 2^956091820 is an apocalyptic number.

It is an amenable number.

956091820 is an abundant number, since it is smaller than the sum of its proper divisors (1051701044).

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

956091820 is a wasteful number, since it uses less digits than its factorization.

956091820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47804600 (or 47804598 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 956091820 is about 30920.7344673441. The cubic root of 956091820 is about 985.1443422679.

The spelling of 956091820 in words is "nine hundred fifty-six million, ninety-one thousand, eight hundred twenty".