4397693856 has 48 divisors (see below), whose sum is σ = 11739621600. Its totient is φ = 1441050368.

The previous prime is 4397693851. The next prime is 4397693857. The reversal of 4397693856 is 6583967934.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×4397693856² = 38679422502200297472, 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 4397693856.

It is not an unprimeable number, because it can be changed into a prime (4397693851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382551 + ... + 393878.

It is an arithmetic number, because the mean of its divisors is an integer number (244575450).

Almost surely, 2^4397693856 is an apocalyptic number.

It is an amenable number.

4397693856 is an abundant number, since it is smaller than the sum of its proper divisors (7341927744).

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

4397693856 is a wasteful number, since it uses less digits than its factorization.

4397693856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776501 (or 776493 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 60.

The square root of 4397693856 is about 66315.1103143168. The cubic root of 4397693856 is about 1638.3562074082.

The spelling of 4397693856 in words is "four billion, three hundred ninety-seven million, six hundred ninety-three thousand, eight hundred fifty-six".