390477166 has 4 divisors (see below), whose sum is σ = 585715752. Its totient is φ = 195238582.

The previous prime is 390477161. The next prime is 390477173. The reversal of 390477166 is 661774093.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390477161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97619290 + ... + 97619293.

It is an arithmetic number, because the mean of its divisors is an integer number (146428938).

Almost surely, 2^390477166 is an apocalyptic number.

390477166 is a deficient number, since it is larger than the sum of its proper divisors (195238586).

390477166 is a wasteful number, since it uses less digits than its factorization.

390477166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195238585.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 390477166 is about 19760.4950848910. The cubic root of 390477166 is about 730.9122054799.

The spelling of 390477166 in words is "three hundred ninety million, four hundred seventy-seven thousand, one hundred sixty-six".