390306708 has 96 divisors (see below), whose sum is σ = 1142064000. Its totient is φ = 114186240.

The previous prime is 390306703. The next prime is 390306713. The reversal of 390306708 is 807603093.

It is an interprime number because it is at equal distance from previous prime (390306703) and next prime (390306713).

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 (390306703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28788 + ... + 40116.

It is an arithmetic number, because the mean of its divisors is an integer number (11896500).

Almost surely, 2^390306708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390306708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571032000).

390306708 is an abundant number, since it is smaller than the sum of its proper divisors (751757292).

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

390306708 is a wasteful number, since it uses less digits than its factorization.

390306708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11382 (or 11374 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 390306708 is about 19756.1815136428. The cubic root of 390306708 is about 730.8058330913.

The spelling of 390306708 in words is "three hundred ninety million, three hundred six thousand, seven hundred eight".