4397906562 has 32 divisors (see below), whose sum is σ = 10643674752. Its totient is φ = 1182630144.

The previous prime is 4397906503. The next prime is 4397906593. The reversal of 4397906562 is 2656097934.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3079053 + ... + 3080480.

It is an arithmetic number, because the mean of its divisors is an integer number (332614836).

Almost surely, 2^4397906562 is an apocalyptic number.

4397906562 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4397906562 is an abundant number, since it is smaller than the sum of its proper divisors (6245768190).

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

4397906562 is a wasteful number, since it uses less digits than its factorization.

4397906562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159562.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The square root of 4397906562 is about 66316.7140470636. The cubic root of 4397906562 is about 1638.3826214477.

The spelling of 4397906562 in words is "four billion, three hundred ninety-seven million, nine hundred six thousand, five hundred sixty-two".