238978760 has 16 divisors (see below), whose sum is σ = 537702300. Its totient is φ = 95591488.

The previous prime is 238978739. The next prime is 238978769. The reversal of 238978760 is 67879832.

It is a happy number.

238978760 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 224340484 + 14638276 = 14978^2 + 3826^2 .

It is a super-2 number, since 2×238978760² = 114221695462275200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 238978699 and 238978708.

It is not an unprimeable number, because it can be changed into a prime (238978769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2987195 + ... + 2987274.

Almost surely, 2^238978760 is an apocalyptic number.

238978760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238978760 is an abundant number, since it is smaller than the sum of its proper divisors (298723540).

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

238978760 is a wasteful number, since it uses less digits than its factorization.

238978760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974480 (or 5974476 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 238978760 is about 15458.9378677838. The cubic root of 238978760 is about 620.5637951716.

The spelling of 238978760 in words is "two hundred thirty-eight million, nine hundred seventy-eight thousand, seven hundred sixty".