238925390 has 48 divisors (see below), whose sum is σ = 474873840. Its totient is φ = 86486400.

The previous prime is 238925387. The next prime is 238925413. The reversal of 238925390 is 93529832.

238925390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 458330 + ... + 458850.

It is an arithmetic number, because the mean of its divisors is an integer number (9893205).

Almost surely, 2^238925390 is an apocalyptic number.

238925390 is a deficient number, since it is larger than the sum of its proper divisors (235948450).

238925390 is a wasteful number, since it uses less digits than its factorization.

238925390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 238925390 is about 15457.2115855351. The cubic root of 238925390 is about 620.5175958699.

The spelling of 238925390 in words is "two hundred thirty-eight million, nine hundred twenty-five thousand, three hundred ninety".