38669988 has 48 divisors (see below), whose sum is σ = 104674304. Its totient is φ = 10882080.

The previous prime is 38669987. The next prime is 38669999. The reversal of 38669988 is 88996683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38669987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2193 + ... + 9063.

Almost surely, 2^38669988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38669988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52337152).

38669988 is an abundant number, since it is smaller than the sum of its proper divisors (66004316).

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

38669988 is a wasteful number, since it uses less digits than its factorization.

38669988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952 (or 6950 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 57.

The square root of 38669988 is about 6218.5197595569. The cubic root of 38669988 is about 338.1619032250.

The spelling of 38669988 in words is "thirty-eight million, six hundred sixty-nine thousand, nine hundred eighty-eight".