390352 has 20 divisors (see below), whose sum is σ = 781696. Its totient is φ = 188640.

The previous prime is 390347. The next prime is 390353. The reversal of 390352 is 253093.

390352 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390353) 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, 103 + ... + 889.

2³⁹⁰³⁵² 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 390352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390848).

390352 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

390352 is a wasteful number, since it uses less digits than its factorization.

390352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 390352 is about 624.7815618278. The cubic root of 390352 is about 73.0834100073.

The spelling of 390352 in words is "three hundred ninety thousand, three hundred fifty-two".