38428488 has 96 divisors (see below), whose sum is σ = 125236800. Its totient is φ = 10399104.

The previous prime is 38428477. The next prime is 38428501. The reversal of 38428488 is 88482483.

It is a happy number.

It is a super-2 number, since 2×38428488² = 2953497379932288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7570 + ... + 11582.

It is an arithmetic number, because the mean of its divisors is an integer number (1304550).

Almost surely, 2^38428488 is an apocalyptic number.

38428488 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38428488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62618400).

38428488 is an abundant number, since it is smaller than the sum of its proper divisors (86808312).

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

38428488 is a wasteful number, since it uses less digits than its factorization.

38428488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051 (or 4044 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 38428488 is about 6199.0715433845. The cubic root of 38428488 is about 337.4564750456.

The spelling of 38428488 in words is "thirty-eight million, four hundred twenty-eight thousand, four hundred eighty-eight".