238689416 has 16 divisors (see below), whose sum is σ = 511477440. Its totient is φ = 102295440.

The previous prime is 238689391. The next prime is 238689421. The reversal of 238689416 is 614986832.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2131100 + ... + 2131211.

It is an arithmetic number, because the mean of its divisors is an integer number (31967340).

Almost surely, 2^238689416 is an apocalyptic number.

It is an amenable number.

238689416 is an abundant number, since it is smaller than the sum of its proper divisors (272788024).

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

238689416 is a wasteful number, since it uses less digits than its factorization.

238689416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262324 (or 4262320 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 238689416 is about 15449.5765637768. The cubic root of 238689416 is about 620.3132444175.

The spelling of 238689416 in words is "two hundred thirty-eight million, six hundred eighty-nine thousand, four hundred sixteen".