238905794 has 16 divisors (see below), whose sum is σ = 387514368. Its totient is φ = 110033472.

The previous prime is 238905773. The next prime is 238905827. The reversal of 238905794 is 497509832.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73154 + ... + 76349.

It is an arithmetic number, because the mean of its divisors is an integer number (24219648).

Almost surely, 2^238905794 is an apocalyptic number.

238905794 is a deficient number, since it is larger than the sum of its proper divisors (148608574).

238905794 is a wasteful number, since it uses less digits than its factorization.

238905794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149569.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 238905794 is about 15456.5776936552. The cubic root of 238905794 is about 620.5006310268.

The spelling of 238905794 in words is "two hundred thirty-eight million, nine hundred five thousand, seven hundred ninety-four".