239790940 has 12 divisors (see below), whose sum is σ = 503561016. Its totient is φ = 95916368.

The previous prime is 239790931. The next prime is 239790949. The reversal of 239790940 is 49097932.

It is an interprime number because it is at equal distance from previous prime (239790931) and next prime (239790949).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239790949) 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, 5994754 + ... + 5994793.

It is an arithmetic number, because the mean of its divisors is an integer number (41963418).

Almost surely, 2^239790940 is an apocalyptic number.

239790940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239790940 is an abundant number, since it is smaller than the sum of its proper divisors (263770076).

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

239790940 is a wasteful number, since it uses less digits than its factorization.

239790940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11989556 (or 11989554 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 239790940 is about 15485.1845323199. The cubic root of 239790940 is about 621.2660048749.

The spelling of 239790940 in words is "two hundred thirty-nine million, seven hundred ninety thousand, nine hundred forty".