38450928 has 20 divisors (see below), whose sum is σ = 99331688. Its totient is φ = 12816960.

The previous prime is 38450911. The next prime is 38450933. The reversal of 38450928 is 82905483.

It is a happy number.

38450928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38450928² = 2956947728122368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400483 + ... + 400578.

Almost surely, 2^38450928 is an apocalyptic number.

It is an amenable number.

38450928 is an abundant number, since it is smaller than the sum of its proper divisors (60880760).

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

38450928 is a wasteful number, since it uses less digits than its factorization.

38450928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801072 (or 801066 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 38450928 is about 6200.8812276966. The cubic root of 38450928 is about 337.5221472435.

The spelling of 38450928 in words is "thirty-eight million, four hundred fifty thousand, nine hundred twenty-eight".