38432988 has 144 divisors (see below), whose sum is σ = 116635680. Its totient is φ = 10897920.

The previous prime is 38432983. The next prime is 38433001. The reversal of 38432988 is 88923483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38432983) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222070 + ... + 222242.

It is an arithmetic number, because the mean of its divisors is an integer number (809970).

Almost surely, 2^38432988 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 38432988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58317840).

38432988 is an abundant number, since it is smaller than the sum of its proper divisors (78202692).

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

38432988 is a wasteful number, since it uses less digits than its factorization.

38432988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 206 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 38432988 is about 6199.4344903386. The cubic root of 38432988 is about 337.4696466529.

The spelling of 38432988 in words is "thirty-eight million, four hundred thirty-two thousand, nine hundred eighty-eight".