239498730 has 24 divisors (see below), whose sum is σ = 622696932. Its totient is φ = 63866304.

The previous prime is 239498717. The next prime is 239498767. The reversal of 239498730 is 37894932.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 224730081 + 14768649 = 14991^2 + 3843^2 .

It is a super-2 number, since 2×239498730² = 114719283343225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1330459 + ... + 1330638.

Almost surely, 2^239498730 is an apocalyptic number.

239498730 is an abundant number, since it is smaller than the sum of its proper divisors (383198202).

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

239498730 is a wasteful number, since it uses less digits than its factorization.

239498730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661110 (or 2661107 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 239498730 is about 15475.7465086502. The cubic root of 239498730 is about 621.0135433890.

It can be divided in two parts, 2394 and 98730, that added together give a square (101124 = 318²).

The spelling of 239498730 in words is "two hundred thirty-nine million, four hundred ninety-eight thousand, seven hundred thirty".