38430988 has 6 divisors (see below), whose sum is σ = 67254236. Its totient is φ = 19215492.

The previous prime is 38430983. The next prime is 38431013. The reversal of 38430988 is 88903483.

It is a super-2 number, since 2×38430988² = 2953881677312288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38430983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4803870 + ... + 4803877.

Almost surely, 2^38430988 is an apocalyptic number.

It is an amenable number.

38430988 is a deficient number, since it is larger than the sum of its proper divisors (28823248).

38430988 is a wasteful number, since it uses less digits than its factorization.

38430988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9607751 (or 9607749 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 38430988 is about 6199.2731832046. The cubic root of 38430988 is about 337.4637927322.

The spelling of 38430988 in words is "thirty-eight million, four hundred thirty thousand, nine hundred eighty-eight".