254038638 has 24 divisors (see below), whose sum is σ = 591029352. Its totient is φ = 72582384.

The previous prime is 254038573. The next prime is 254038661. The reversal of 254038638 is 836830452.

254038638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 254038596 and 254038605.

It is a congruent number.

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, 431745 + ... + 432332.

It is an arithmetic number, because the mean of its divisors is an integer number (24626223).

Almost surely, 2^254038638 is an apocalyptic number.

254038638 is an abundant number, since it is smaller than the sum of its proper divisors (336990714).

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

254038638 is a wasteful number, since it uses less digits than its factorization.

254038638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864096 (or 864089 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 254038638 is about 15938.5895862840. The cubic root of 254038638 is about 633.3346637707.

The spelling of 254038638 in words is "two hundred fifty-four million, thirty-eight thousand, six hundred thirty-eight".