390413830 has 8 divisors (see below), whose sum is σ = 702744912. Its totient is φ = 156165528.

The previous prime is 390413791. The next prime is 390413831. The reversal of 390413830 is 38314093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 390413792 and 390413801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390413831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19520682 + ... + 19520701.

It is an arithmetic number, because the mean of its divisors is an integer number (87843114).

Almost surely, 2^390413830 is an apocalyptic number.

390413830 is a deficient number, since it is larger than the sum of its proper divisors (312331082).

390413830 is a wasteful number, since it uses less digits than its factorization.

390413830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39041390.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 390413830 is about 19758.8924284738. The cubic root of 390413830 is about 730.8726849798.

The spelling of 390413830 in words is "three hundred ninety million, four hundred thirteen thousand, eight hundred thirty".