38478975 has 12 divisors (see below), whose sum is σ = 63618696. Its totient is φ = 20522080.

The previous prime is 38478949. The next prime is 38479003. The reversal of 38478975 is 57987483.

It is not a de Polignac number, because 38478975 - 2¹² = 38474879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256452 + ... + 256601.

It is an arithmetic number, because the mean of its divisors is an integer number (5301558).

Almost surely, 2^38478975 is an apocalyptic number.

38478975 is a deficient number, since it is larger than the sum of its proper divisors (25139721).

38478975 is a wasteful number, since it uses less digits than its factorization.

38478975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513066 (or 513061 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 38478975 is about 6203.1423488422. The cubic root of 38478975 is about 337.6041927961.

The spelling of 38478975 in words is "thirty-eight million, four hundred seventy-eight thousand, nine hundred seventy-five".