390126 has 32 divisors (see below), whose sum is σ = 891648. Its totient is φ = 112640.

The previous prime is 390119. The next prime is 390151. The reversal of 390126 is 621093.

It is an Ulam number.

It is a Curzon number.

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 390126.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (27864).

2³⁹⁰¹²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445824).

390126 is an abundant number, since it is smaller than the sum of its proper divisors (501522).

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

390126 is a wasteful number, since it uses less digits than its factorization.

390126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 390126 is about 624.6006724300. The cubic root of 390126 is about 73.0693030481.

The spelling of 390126 in words is "three hundred ninety thousand, one hundred twenty-six".