390702 has 16 divisors (see below), whose sum is σ = 841680. Its totient is φ = 120192.

The previous prime is 390673. The next prime is 390703. The reversal of 390702 is 207093.

390702 is a modest number, since divided by 702 gives 390 as remainder.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 390702.

It is not an unprimeable number, because it can be changed into a prime (390703) by changing a digit.

390702 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2427 + ... + 2582.

It is an arithmetic number, because the mean of its divisors is an integer number (52605).

2³⁹⁰⁷⁰² is an apocalyptic number.

390702 is an abundant number, since it is smaller than the sum of its proper divisors (450978).

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

390702 is a wasteful number, since it uses less digits than its factorization.

390702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 390702 is about 625.0615969647. The cubic root of 390702 is about 73.1052463262.

Adding to 390702 its reverse (207093), we get a palindrome (597795).

The spelling of 390702 in words is "three hundred ninety thousand, seven hundred two".