38159928 has 24 divisors (see below), whose sum is σ = 103350000. Its totient is φ = 12719952.

The previous prime is 38159903. The next prime is 38159929. The reversal of 38159928 is 82995183.

It is a happy number.

38159928 is a `hidden beast` number, since 38 + 1 + 599 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38159929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264928 + ... + 265071.

It is an arithmetic number, because the mean of its divisors is an integer number (4306250).

Almost surely, 2^38159928 is an apocalyptic number.

It is an amenable number.

38159928 is an abundant number, since it is smaller than the sum of its proper divisors (65190072).

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

38159928 is a wasteful number, since it uses less digits than its factorization.

38159928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530011 (or 530004 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 38159928 is about 6177.3722568743. The cubic root of 38159928 is about 336.6685244264.

The spelling of 38159928 in words is "thirty-eight million, one hundred fifty-nine thousand, nine hundred twenty-eight".