238149612 has 96 divisors (see below), whose sum is σ = 645167040. Its totient is φ = 75893760.

The previous prime is 238149601. The next prime is 238149641. The reversal of 238149612 is 216941832.

238149612 is a `hidden beast` number, since 2 + 38 + 1 + 4 + 9 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243268 + ... + 244244.

It is an arithmetic number, because the mean of its divisors is an integer number (6720490).

Almost surely, 2^238149612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238149612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322583520).

238149612 is an abundant number, since it is smaller than the sum of its proper divisors (407017428).

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

238149612 is a wasteful number, since it uses less digits than its factorization.

238149612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1080 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 238149612 is about 15432.0968115159. The cubic root of 238149612 is about 619.8452718295.

The spelling of 238149612 in words is "two hundred thirty-eight million, one hundred forty-nine thousand, six hundred twelve".