38470865 has 4 divisors (see below), whose sum is σ = 46165044. Its totient is φ = 30776688.

The previous prime is 38470843. The next prime is 38470871. The reversal of 38470865 is 56807483.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12623809 + 25847056 = 3553^2 + 5084^2 .

It is a cyclic number.

It is not a de Polignac number, because 38470865 - 2¹⁰ = 38469841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3847082 + ... + 3847091.

It is an arithmetic number, because the mean of its divisors is an integer number (11541261).

Almost surely, 2^38470865 is an apocalyptic number.

It is an amenable number.

38470865 is a deficient number, since it is larger than the sum of its proper divisors (7694179).

38470865 is an equidigital number, since it uses as much as digits as its factorization.

38470865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694178.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 38470865 is about 6202.4886134519. The cubic root of 38470865 is about 337.5804728089.

The spelling of 38470865 in words is "thirty-eight million, four hundred seventy thousand, eight hundred sixty-five".