238426790 has 32 divisors (see below), whose sum is σ = 491918400. Its totient is φ = 81506304.

The previous prime is 238426789. The next prime is 238426813. The reversal of 238426790 is 97624832.

It is a happy number.

238426790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19886 + ... + 29534.

It is an arithmetic number, because the mean of its divisors is an integer number (15372450).

Almost surely, 2^238426790 is an apocalyptic number.

238426790 is an abundant number, since it is smaller than the sum of its proper divisors (253491610).

238426790 is a wasteful number, since it uses less digits than its factorization.

238426790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 238426790 is about 15441.0747682925. The cubic root of 238426790 is about 620.0856541391.

The spelling of 238426790 in words is "two hundred thirty-eight million, four hundred twenty-six thousand, seven hundred ninety".