397651402204 has 48 divisors (see below), whose sum is σ = 831113192448. Its totient is φ = 162917028288.

The previous prime is 397651402163. The next prime is 397651402219. The reversal of 397651402204 is 402204156793.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

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, 3456979 + ... + 3570154.

It is an arithmetic number, because the mean of its divisors is an integer number (17314858176).

Almost surely, 2^397651402204 is an apocalyptic number.

It is an amenable number.

397651402204 is an abundant number, since it is smaller than the sum of its proper divisors (433461790244).

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

397651402204 is a wasteful number, since it uses less digits than its factorization.

397651402204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027234 (or 7027232 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

Adding to 397651402204 its reverse (402204156793), we get a palindrome (799855558997).

The spelling of 397651402204 in words is "three hundred ninety-seven billion, six hundred fifty-one million, four hundred two thousand, two hundred four".