397146341586 has 32 divisors (see below), whose sum is σ = 825120172800. Its totient is φ = 127282400000.

The previous prime is 397146341573. The next prime is 397146341587. The reversal of 397146341586 is 685143641793.

It is not an unprimeable number, because it can be changed into a prime (397146341587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4733415 + ... + 4816586.

It is an arithmetic number, because the mean of its divisors is an integer number (25785005400).

Almost surely, 2^397146341586 is an apocalyptic number.

397146341586 is an abundant number, since it is smaller than the sum of its proper divisors (427973831214).

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

397146341586 is a wasteful number, since it uses less digits than its factorization.

397146341586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9550274.

The product of its digits is 13063680, while the sum is 57.

The spelling of 397146341586 in words is "three hundred ninety-seven billion, one hundred forty-six million, three hundred forty-one thousand, five hundred eighty-six".