397627075 has 12 divisors (see below), whose sum is σ = 493359048. Its totient is φ = 317907200.

The previous prime is 397627073. The next prime is 397627099. The reversal of 397627075 is 570726793.

It is a happy number.

It is not a de Polignac number, because 397627075 - 2¹ = 397627073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397627073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48204 + ... + 55846.

It is an arithmetic number, because the mean of its divisors is an integer number (41113254).

Almost surely, 2^397627075 is an apocalyptic number.

397627075 is a deficient number, since it is larger than the sum of its proper divisors (95731973).

397627075 is a wasteful number, since it uses less digits than its factorization.

397627075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9734 (or 9729 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 46.

The square root of 397627075 is about 19940.5886322345. The cubic root of 397627075 is about 735.3464206842.

The spelling of 397627075 in words is "three hundred ninety-seven million, six hundred twenty-seven thousand, seventy-five".