38101872 has 20 divisors (see below), whose sum is σ = 98429960. Its totient is φ = 12700608.

The previous prime is 38101871. The next prime is 38101873. The reversal of 38101872 is 27810183.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38101871) and next prime (38101873).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38101871) 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 3 ways as a sum of consecutive naturals, for example, 396847 + ... + 396942.

It is an arithmetic number, because the mean of its divisors is an integer number (4921498).

Almost surely, 2^38101872 is an apocalyptic number.

It is an amenable number.

38101872 is an abundant number, since it is smaller than the sum of its proper divisors (60328088).

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

38101872 is a wasteful number, since it uses less digits than its factorization.

38101872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793800 (or 793794 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 38101872 is about 6172.6713827969. The cubic root of 38101872 is about 336.4977034507.

The spelling of 38101872 in words is "thirty-eight million, one hundred one thousand, eight hundred seventy-two".