390690800 has 30 divisors (see below), whose sum is σ = 938635608. Its totient is φ = 156276160.

The previous prime is 390690793. The next prime is 390690803. The reversal of 390690800 is 8096093.

390690800 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390690803) 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 5 ways as a sum of consecutive naturals, for example, 487964 + ... + 488763.

Almost surely, 2^390690800 is an apocalyptic number.

It is an amenable number.

390690800 is an abundant number, since it is smaller than the sum of its proper divisors (547944808).

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

390690800 is a wasteful number, since it uses less digits than its factorization.

390690800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976745 (or 976734 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 390690800 is about 19765.8999289180. The cubic root of 390690800 is about 731.0454776604.

The spelling of 390690800 in words is "three hundred ninety million, six hundred ninety thousand, eight hundred".