397982560486 has 16 divisors (see below), whose sum is σ = 682282107936. Its totient is φ = 170557382016.

The previous prime is 397982560453. The next prime is 397982560499. The reversal of 397982560486 is 684065289793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162051 + ... + 906766.

It is an arithmetic number, because the mean of its divisors is an integer number (42642631746).

Almost surely, 2^397982560486 is an apocalyptic number.

397982560486 is a deficient number, since it is larger than the sum of its proper divisors (284299547450).

397982560486 is a wasteful number, since it uses less digits than its factorization.

397982560486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095423.

The product of its (nonzero) digits is 156764160, while the sum is 67.

The spelling of 397982560486 in words is "three hundred ninety-seven billion, nine hundred eighty-two million, five hundred sixty thousand, four hundred eighty-six".