397874022416 has 40 divisors (see below), whose sum is σ = 830249074200. Its totient is φ = 183618763776.

The previous prime is 397874022389. The next prime is 397874022419. The reversal of 397874022416 is 614220478793.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 106602250000 + 291271772416 = 326500^2 + 539696^2 .

It is a super-3 number, since 3×397874022416³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (397874022419) 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, 2624660 + ... + 2772108.

It is an arithmetic number, because the mean of its divisors is an integer number (20756226855).

Almost surely, 2^397874022416 is an apocalyptic number.

It is an amenable number.

397874022416 is an abundant number, since it is smaller than the sum of its proper divisors (432375051784).

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

397874022416 is a wasteful number, since it uses less digits than its factorization.

397874022416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160443 (or 160437 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 397874022416 in words is "three hundred ninety-seven billion, eight hundred seventy-four million, twenty-two thousand, four hundred sixteen".