397052316 has 18 divisors (see below), whose sum is σ = 1003660112. Its totient is φ = 132350760.

The previous prime is 397052269. The next prime is 397052317. The reversal of 397052316 is 613250793.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 11029231 = 397052316 / (3 + 9 + 7 + 0 + 5 + 2 + 3 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397052317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5514580 + ... + 5514651.

Almost surely, 2^397052316 is an apocalyptic number.

397052316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

397052316 is an abundant number, since it is smaller than the sum of its proper divisors (606607796).

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

397052316 is a wasteful number, since it uses less digits than its factorization.

397052316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11029241 (or 11029236 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 397052316 is about 19926.1716343105. The cubic root of 397052316 is about 734.9919421579.

The spelling of 397052316 in words is "three hundred ninety-seven million, fifty-two thousand, three hundred sixteen".