390992193 has 12 divisors (see below), whose sum is σ = 564939648. Its totient is φ = 260581560.

The previous prime is 390992171. The next prime is 390992221. The reversal of 390992193 is 391299093.

It is not a de Polignac number, because 390992193 - 2¹⁰ = 390991169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390992143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47596 + ... + 55202.

It is an arithmetic number, because the mean of its divisors is an integer number (47078304).

Almost surely, 2^390992193 is an apocalyptic number.

It is an amenable number.

390992193 is a deficient number, since it is larger than the sum of its proper divisors (173947455).

390992193 is a wasteful number, since it uses less digits than its factorization.

390992193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13324 (or 13321 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 390992193 is about 19773.5225238196. The cubic root of 390992193 is about 731.2334143071.

The spelling of 390992193 in words is "three hundred ninety million, nine hundred ninety-two thousand, one hundred ninety-three".