238977 has 16 divisors (see below), whose sum is σ = 362880. Its totient is φ = 155376.

The previous prime is 238967. The next prime is 238991. The reversal of 238977 is 779832.

It is not a de Polignac number, because 238977 - 2¹⁵ = 206209 is a prime.

It is a super-2 number, since 2×238977² = 114220013058, which contains 22 as substring.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 238977.

It is not an unprimeable number, because it can be changed into a prime (238967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348 + ... + 1514.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2²³⁸⁹⁷⁷ is an apocalyptic number.

238977 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

238977 is a deficient number, since it is larger than the sum of its proper divisors (123903).

238977 is a wasteful number, since it uses less digits than its factorization.

238977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 223 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 238977 is about 488.8527385624. The cubic root of 238977 is about 62.0562271752.

The spelling of 238977 in words is "two hundred thirty-eight thousand, nine hundred seventy-seven".