38370081 has 4 divisors (see below), whose sum is σ = 51160112. Its totient is φ = 25580052.

The previous prime is 38370053. The next prime is 38370083. The reversal of 38370081 is 18007383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 38370081 - 2¹³ = 38361889 is a prime.

It is a super-2 number, since 2×38370081² = 2944526231893122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38370083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6395011 + ... + 6395016.

It is an arithmetic number, because the mean of its divisors is an integer number (12790028).

Almost surely, 2^38370081 is an apocalyptic number.

It is an amenable number.

38370081 is a deficient number, since it is larger than the sum of its proper divisors (12790031).

38370081 is a wasteful number, since it uses less digits than its factorization.

38370081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12790030.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 38370081 is about 6194.3588045899. The cubic root of 38370081 is about 337.2854230008.

The spelling of 38370081 in words is "thirty-eight million, three hundred seventy thousand, eighty-one".