38019081 has 8 divisors (see below), whose sum is σ = 50876224. Its totient is φ = 25254000.

The previous prime is 38019077. The next prime is 38019097. The reversal of 38019081 is 18091083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38019081 - 2² = 38019077 is a prime.

It is a super-2 number, since 2×38019081² = 2890901040169122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38019001) 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, 22045 + ... + 23706.

It is an arithmetic number, because the mean of its divisors is an integer number (6359528).

Almost surely, 2^38019081 is an apocalyptic number.

It is an amenable number.

38019081 is a deficient number, since it is larger than the sum of its proper divisors (12857143).

38019081 is a wasteful number, since it uses less digits than its factorization.

38019081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46031.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 38019081 is about 6165.9614822021. The cubic root of 38019081 is about 336.2538030646.

The spelling of 38019081 in words is "thirty-eight million, nineteen thousand, eighty-one".