390343068 has 36 divisors (see below), whose sum is σ = 1038633960. Its totient is φ = 123266016.

The previous prime is 390343067. The next prime is 390343073. The reversal of 390343068 is 860343093.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390343067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284655 + ... + 286022.

Almost surely, 2^390343068 is an apocalyptic number.

390343068 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

390343068 is an abundant number, since it is smaller than the sum of its proper divisors (648290892).

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

390343068 is a wasteful number, since it uses less digits than its factorization.

390343068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570706 (or 570701 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 390343068 is about 19757.1017105242. The cubic root of 390343068 is about 730.8285257366.

It can be divided in two parts, 3903 and 43068, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 390343068 in words is "three hundred ninety million, three hundred forty-three thousand, sixty-eight".