38478612 has 12 divisors (see below), whose sum is σ = 89783456. Its totient is φ = 12826200.

The previous prime is 38478611. The next prime is 38478613. The reversal of 38478612 is 21687483.

It is an interprime number because it is at equal distance from previous prime (38478611) and next prime (38478613).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38478611) 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, 1603264 + ... + 1603287.

Almost surely, 2^38478612 is an apocalyptic number.

It is an amenable number.

38478612 is an abundant number, since it is smaller than the sum of its proper divisors (51304844).

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

38478612 is a wasteful number, since it uses less digits than its factorization.

38478612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206558 (or 3206556 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 38478612 is about 6203.1130894092. The cubic root of 38478612 is about 337.6031311712.

The spelling of 38478612 in words is "thirty-eight million, four hundred seventy-eight thousand, six hundred twelve".