38945472 has 28 divisors (see below), whose sum is σ = 103043736. Its totient is φ = 12981760.

The previous prime is 38945461. The next prime is 38945483. The reversal of 38945472 is 27454983.

It is an interprime number because it is at equal distance from previous prime (38945461) and next prime (38945483).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101229 + ... + 101612.

Almost surely, 2^38945472 is an apocalyptic number.

38945472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38945472 is an abundant number, since it is smaller than the sum of its proper divisors (64098264).

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

38945472 is a wasteful number, since it uses less digits than its factorization.

38945472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202856 (or 202846 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 38945472 is about 6240.6307373534. The cubic root of 38945472 is about 338.9630227417.

The spelling of 38945472 in words is "thirty-eight million, nine hundred forty-five thousand, four hundred seventy-two".