239244681 has 24 divisors (see below), whose sum is σ = 347846400. Its totient is φ = 146193216.

The previous prime is 239244679. The next prime is 239244683. The reversal of 239244681 is 186442932.

It is an interprime number because it is at equal distance from previous prime (239244679) and next prime (239244683).

It is not a de Polignac number, because 239244681 - 2¹ = 239244679 is a prime.

It is a super-2 number, since 2×239244681² = 114476034773583522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (239244683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73960 + ... + 77126.

It is an arithmetic number, because the mean of its divisors is an integer number (14493600).

Almost surely, 2^239244681 is an apocalyptic number.

It is an amenable number.

239244681 is a deficient number, since it is larger than the sum of its proper divisors (108601719).

239244681 is a wasteful number, since it uses less digits than its factorization.

239244681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345 (or 3332 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 239244681 is about 15467.5363584509. The cubic root of 239244681 is about 620.7938850401.

The spelling of 239244681 in words is "two hundred thirty-nine million, two hundred forty-four thousand, six hundred eighty-one".