3890322956 has 24 divisors (see below), whose sum is σ = 7376758704. Its totient is φ = 1784514240.

The previous prime is 3890322881. The next prime is 3890322977. The reversal of 3890322956 is 6592230983.

It is a happy number.

It is a super-2 number, since 2×3890322956² = 30269225403961155872, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3890322956.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221015 + ... + 237966.

It is an arithmetic number, because the mean of its divisors is an integer number (307364946).

Almost surely, 2^3890322956 is an apocalyptic number.

It is an amenable number.

3890322956 is a deficient number, since it is larger than the sum of its proper divisors (3486435748).

3890322956 is a wasteful number, since it uses less digits than its factorization.

3890322956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459161 (or 459159 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 3890322956 is about 62372.4535031291. The cubic root of 3890322956 is about 1572.7579360579.

The spelling of 3890322956 in words is "three billion, eight hundred ninety million, three hundred twenty-two thousand, nine hundred fifty-six".