253938 has 8 divisors (see below), whose sum is σ = 507888. Its totient is φ = 84644.

The previous prime is 253937. The next prime is 253949. The reversal of 253938 is 839352.

It is a happy number.

253938 is nontrivially palindromic in base 14.

It is a sphenic number, since it is the product of 3 distinct primes.

253938 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (253937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21156 + ... + 21167.

It is an arithmetic number, because the mean of its divisors is an integer number (63486).

2²⁵³⁹³⁸ is an apocalyptic number.

253938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253938 is a wasteful number, since it uses less digits than its factorization.

253938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42328.

The product of its digits is 6480, while the sum is 30.

The square root of 253938 is about 503.9226131064. The cubic root of 253938 is about 63.3251020389.

The spelling of 253938 in words is "two hundred fifty-three thousand, nine hundred thirty-eight".