397052208 has 60 divisors (see below), whose sum is σ = 1269940048. Its totient is φ = 113443200.

The previous prime is 397052207. The next prime is 397052209. The reversal of 397052208 is 802250793.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (397052207) and next prime (397052209).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (397052207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195943 + ... + 197958.

Almost surely, 2^397052208 is an apocalyptic number.

It is an amenable number.

397052208 is an abundant number, since it is smaller than the sum of its proper divisors (872887840).

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

397052208 is a wasteful number, since it uses less digits than its factorization.

397052208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393922 (or 393913 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 397052208 is about 19926.1689243065. The cubic root of 397052208 is about 734.9918755176.

The spelling of 397052208 in words is "three hundred ninety-seven million, fifty-two thousand, two hundred eight".