238475464 has 32 divisors (see below), whose sum is σ = 452907000. Its totient is φ = 117711360.

The previous prime is 238475459. The next prime is 238475491. The reversal of 238475464 is 464574832.

238475464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 162052900 + 76422564 = 12730^2 + 8742^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 238475464.

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, 226812 + ... + 227860.

Almost surely, 2^238475464 is an apocalyptic number.

It is an amenable number.

238475464 is a deficient number, since it is larger than the sum of its proper divisors (214431536).

238475464 is a wasteful number, since it uses less digits than its factorization.

238475464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1389 counting only the distinct ones).

The product of its digits is 645120, while the sum is 43.

The square root of 238475464 is about 15442.6508087180. The cubic root of 238475464 is about 620.1278473780.

The spelling of 238475464 in words is "two hundred thirty-eight million, four hundred seventy-five thousand, four hundred sixty-four".