239490 has 32 divisors (see below), whose sum is σ = 639360. Its totient is φ = 63792.

The previous prime is 239489. The next prime is 239509. The reversal of 239490 is 94932.

239490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 174 + ... + 713.

It is an arithmetic number, because the mean of its divisors is an integer number (19980).

2²³⁹⁴⁹⁰ is an apocalyptic number.

239490 is an abundant number, since it is smaller than the sum of its proper divisors (399870).

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

239490 is a wasteful number, since it uses less digits than its factorization.

239490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 239490 is about 489.3771551677. The cubic root of 239490 is about 62.1005997748.

It can be divided in two parts, 239 and 490, that added together give a 6-th power (729 = 3⁶).

The spelling of 239490 in words is "two hundred thirty-nine thousand, four hundred ninety".