38476809 has 48 divisors (see below), whose sum is σ = 67123200. Its totient is φ = 21718368.

The previous prime is 38476807. The next prime is 38476829. The reversal of 38476809 is 90867483.

It is a happy number.

It is not a de Polignac number, because 38476809 - 2¹ = 38476807 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38476807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167907 + ... + 168135.

It is an arithmetic number, because the mean of its divisors is an integer number (1398400).

Almost surely, 2^38476809 is an apocalyptic number.

It is an amenable number.

38476809 is a deficient number, since it is larger than the sum of its proper divisors (28646391).

38476809 is a wasteful number, since it uses less digits than its factorization.

38476809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 38476809 is about 6202.9677574529. The cubic root of 38476809 is about 337.5978580431.

The spelling of 38476809 in words is "thirty-eight million, four hundred seventy-six thousand, eight hundred nine".