38478028 has 6 divisors (see below), whose sum is σ = 67336556. Its totient is φ = 19239012.

The previous prime is 38478017. The next prime is 38478047. The reversal of 38478028 is 82087483.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4809750 + ... + 4809757.

Almost surely, 2^38478028 is an apocalyptic number.

It is an amenable number.

38478028 is a deficient number, since it is larger than the sum of its proper divisors (28858528).

38478028 is a wasteful number, since it uses less digits than its factorization.

38478028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9619511 (or 9619509 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 38478028 is about 6203.0660160924. The cubic root of 38478028 is about 337.6014231988.

The spelling of 38478028 in words is "thirty-eight million, four hundred seventy-eight thousand, twenty-eight".