397364355 has 48 divisors (see below), whose sum is σ = 713696256. Its totient is φ = 204310080.

The previous prime is 397364327. The next prime is 397364371. The reversal of 397364355 is 553463793.

It is a Cunningham number, because it is equal to 19934²-1.

It is not a de Polignac number, because 397364355 - 2¹¹ = 397362307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 397364355.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 617664 + ... + 618306.

It is an arithmetic number, because the mean of its divisors is an integer number (14868672).

Almost surely, 2^397364355 is an apocalyptic number.

397364355 is a deficient number, since it is larger than the sum of its proper divisors (316331901).

397364355 is a wasteful number, since it uses less digits than its factorization.

397364355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1125 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 45.

The square root of 397364355 is about 19933.9999749172. Note that the first 4 decimals coincide. The cubic root of 397364355 is about 735.1844324062.

The spelling of 397364355 in words is "three hundred ninety-seven million, three hundred sixty-four thousand, three hundred fifty-five".