38471409 has 24 divisors (see below), whose sum is σ = 60167520. Its totient is φ = 24291576.

The previous prime is 38471399. The next prime is 38471501. The reversal of 38471409 is 90417483.

It is a happy number.

It is not a de Polignac number, because 38471409 - 2¹⁹ = 37947121 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38471309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7774 + ... + 11720.

It is an arithmetic number, because the mean of its divisors is an integer number (2506980).

Almost surely, 2^38471409 is an apocalyptic number.

It is an amenable number.

38471409 is a deficient number, since it is larger than the sum of its proper divisors (21696111).

38471409 is a wasteful number, since it uses less digits than its factorization.

38471409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994 (or 3969 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 38471409 is about 6202.5324666623. The cubic root of 38471409 is about 337.5820639949.

The spelling of 38471409 in words is "thirty-eight million, four hundred seventy-one thousand, four hundred nine".