38464428 has 24 divisors (see below), whose sum is σ = 92646400. Its totient is φ = 12407760.

The previous prime is 38464399. The next prime is 38464429. The reversal of 38464428 is 82446483.

It is not an unprimeable number, because it can be changed into a prime (38464429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51328 + ... + 52071.

Almost surely, 2^38464428 is an apocalyptic number.

It is an amenable number.

38464428 is an abundant number, since it is smaller than the sum of its proper divisors (54181972).

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

38464428 is a wasteful number, since it uses less digits than its factorization.

38464428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103437 (or 103435 counting only the distinct ones).

The product of its digits is 147456, while the sum is 39.

The square root of 38464428 is about 6201.9696871236. The cubic root of 38464428 is about 337.5616436099.

The spelling of 38464428 in words is "thirty-eight million, four hundred sixty-four thousand, four hundred twenty-eight".