238787412 has 12 divisors (see below), whose sum is σ = 557170656. Its totient is φ = 79595800.

The previous prime is 238787377. The next prime is 238787441. The reversal of 238787412 is 214787832.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a congruent number.

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, 9949464 + ... + 9949487.

It is an arithmetic number, because the mean of its divisors is an integer number (46430888).

Almost surely, 2^238787412 is an apocalyptic number.

It is an amenable number.

238787412 is an abundant number, since it is smaller than the sum of its proper divisors (318383244).

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

238787412 is a wasteful number, since it uses less digits than its factorization.

238787412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19898958 (or 19898956 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 238787412 is about 15452.7477168302. The cubic root of 238787412 is about 620.3981244547.

The spelling of 238787412 in words is "two hundred thirty-eight million, seven hundred eighty-seven thousand, four hundred twelve".