390962097 has 12 divisors (see below), whose sum is σ = 564940740. Its totient is φ = 260540928.

The previous prime is 390962093. The next prime is 390962113. The reversal of 390962097 is 790269093.

It can be written as a sum of positive squares in 2 ways, for example, as 320553216 + 70408881 = 17904^2 + 8391^2 .

It is not a de Polignac number, because 390962097 - 2² = 390962093 is a prime.

It is a super-2 number, since 2×390962097² = 305702722581274818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (390962093) 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, 22113 + ... + 35649.

It is an arithmetic number, because the mean of its divisors is an integer number (47078395).

Almost surely, 2^390962097 is an apocalyptic number.

It is an amenable number.

390962097 is a deficient number, since it is larger than the sum of its proper divisors (173978643).

390962097 is a wasteful number, since it uses less digits than its factorization.

390962097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16752 (or 16749 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 390962097 is about 19772.7614915064. The cubic root of 390962097 is about 731.2146519841.

The spelling of 390962097 in words is "three hundred ninety million, nine hundred sixty-two thousand, ninety-seven".