38504809 has 8 divisors (see below), whose sum is σ = 44327808. Its totient is φ = 32762400.

The previous prime is 38504803. The next prime is 38504819. The reversal of 38504809 is 90840583.

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

It is a cyclic number.

It is not a de Polignac number, because 38504809 - 2⁵ = 38504777 is a prime.

It is a super-2 number, since 2×38504809² = 2965240632252962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38504803) 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, 19117 + ... + 21034.

It is an arithmetic number, because the mean of its divisors is an integer number (5540976).

Almost surely, 2^38504809 is an apocalyptic number.

It is an amenable number.

38504809 is a deficient number, since it is larger than the sum of its proper divisors (5822999).

38504809 is a wasteful number, since it uses less digits than its factorization.

38504809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40295.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 38504809 is about 6205.2243311584. The cubic root of 38504809 is about 337.6797294200.

The spelling of 38504809 in words is "thirty-eight million, five hundred four thousand, eight hundred nine".