390500010 has 36 divisors (see below), whose sum is σ = 1015787682. Its totient is φ = 104083344.

The previous prime is 390499999. The next prime is 390500023. The reversal of 390500010 is 10005093.

It can be written as a sum of positive squares in only one way, i.e., 351450009 + 39050001 = 18747^2 + 6249^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 186429 + ... + 188511.

Almost surely, 2^390500010 is an apocalyptic number.

390500010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

390500010 is an abundant number, since it is smaller than the sum of its proper divisors (625287672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390500010 is an equidigital number, since it uses as much as digits as its factorization.

390500010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 390500010 is about 19761.0730983922. The cubic root of 390500010 is about 730.9264586674.

The spelling of 390500010 in words is "three hundred ninety million, five hundred thousand, ten".