238485456 has 60 divisors (see below), whose sum is σ = 728108160. Its totient is φ = 72267840.

The previous prime is 238485451. The next prime is 238485491. The reversal of 238485456 is 654584832.

238485456 is a `hidden beast` number, since 23 + 84 + 8 + 545 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238485451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73696 + ... + 76863.

It is an arithmetic number, because the mean of its divisors is an integer number (12135136).

Almost surely, 2^238485456 is an apocalyptic number.

It is an amenable number.

238485456 is an abundant number, since it is smaller than the sum of its proper divisors (489622704).

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

238485456 is a wasteful number, since it uses less digits than its factorization.

238485456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150584 (or 150575 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 238485456 is about 15442.9743249155. The cubic root of 238485456 is about 620.1365082703.

The spelling of 238485456 in words is "two hundred thirty-eight million, four hundred eighty-five thousand, four hundred fifty-six".