38860809 has 8 divisors (see below), whose sum is σ = 55800192. Its totient is φ = 23914320.

The previous prime is 38860799. The next prime is 38860831. The reversal of 38860809 is 90806883.

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

It is not a de Polignac number, because 38860809 - 2¹¹ = 38858761 is a prime.

It is a super-2 number, since 2×38860809² = 3020324952268962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38860859) 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, 498177 + ... + 498254.

It is an arithmetic number, because the mean of its divisors is an integer number (6975024).

Almost surely, 2^38860809 is an apocalyptic number.

38860809 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

38860809 is a deficient number, since it is larger than the sum of its proper divisors (16939383).

38860809 is a wasteful number, since it uses less digits than its factorization.

38860809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996447.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 38860809 is about 6233.8438382751. The cubic root of 38860809 is about 338.7172222657.

The spelling of 38860809 in words is "thirty-eight million, eight hundred sixty thousand, eight hundred nine".