239799798 has 128 divisors (see below), whose sum is σ = 648115200. Its totient is φ = 64198656.

The previous prime is 239799757. The next prime is 239799821. The reversal of 239799798 is 897997932.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1242390 + ... + 1242582.

It is an arithmetic number, because the mean of its divisors is an integer number (5063400).

Almost surely, 2^239799798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239799798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324057600).

239799798 is an abundant number, since it is smaller than the sum of its proper divisors (408315402).

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

239799798 is a wasteful number, since it uses less digits than its factorization.

239799798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 397 counting only the distinct ones).

The product of its digits is 15431472, while the sum is 63.

The square root of 239799798 is about 15485.4705449980. The cubic root of 239799798 is about 621.2736547421.

The spelling of 239799798 in words is "two hundred thirty-nine million, seven hundred ninety-nine thousand, seven hundred ninety-eight".