38450388 has 24 divisors (see below), whose sum is σ = 93619008. Its totient is φ = 12259456.

The previous prime is 38450383. The next prime is 38450407. The reversal of 38450388 is 88305483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38450383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69381 + ... + 69932.

It is an arithmetic number, because the mean of its divisors is an integer number (3900792).

Almost surely, 2^38450388 is an apocalyptic number.

It is an amenable number.

38450388 is an abundant number, since it is smaller than the sum of its proper divisors (55168620).

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

38450388 is a wasteful number, since it uses less digits than its factorization.

38450388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139343 (or 139341 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 38450388 is about 6200.8376853454. The cubic root of 38450388 is about 337.5205671965.

The spelling of 38450388 in words is "thirty-eight million, four hundred fifty thousand, three hundred eighty-eight".