239484157 has 32 divisors (see below), whose sum is σ = 280215936. Its totient is φ = 202675200.

The previous prime is 239484143. The next prime is 239484163. The reversal of 239484157 is 751484932.

It is a cyclic number.

It is not a de Polignac number, because 239484157 - 2¹⁵ = 239451389 is a prime.

It is a super-2 number, since 2×239484157² = 114705322908001298, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239484107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1027713 + ... + 1027945.

It is an arithmetic number, because the mean of its divisors is an integer number (8756748).

Almost surely, 2^239484157 is an apocalyptic number.

It is an amenable number.

239484157 is a deficient number, since it is larger than the sum of its proper divisors (40731779).

239484157 is a wasteful number, since it uses less digits than its factorization.

239484157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its digits is 241920, while the sum is 43.

The square root of 239484157 is about 15475.2756679808. The cubic root of 239484157 is about 621.0009473390. Note that the first 3 decimals are identical.

The spelling of 239484157 in words is "two hundred thirty-nine million, four hundred eighty-four thousand, one hundred fifty-seven".