390652197 has 16 divisors (see below), whose sum is σ = 593933760. Its totient is φ = 226259712.

The previous prime is 390652193. The next prime is 390652211. The reversal of 390652197 is 791256093.

It is not a de Polignac number, because 390652197 - 2² = 390652193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390652193) 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 15 ways as a sum of consecutive naturals, for example, 293947 + ... + 295272.

It is an arithmetic number, because the mean of its divisors is an integer number (37120860).

Almost surely, 2^390652197 is an apocalyptic number.

It is an amenable number.

390652197 is a deficient number, since it is larger than the sum of its proper divisors (203281563).

390652197 is a wasteful number, since it uses less digits than its factorization.

390652197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589252.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 390652197 is about 19764.9233998010. The cubic root of 390652197 is about 731.0213993884.

The spelling of 390652197 in words is "three hundred ninety million, six hundred fifty-two thousand, one hundred ninety-seven".