38426817 has 48 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 20190720.

The previous prime is 38426809. The next prime is 38426837. The reversal of 38426817 is 71862483.

It is not a de Polignac number, because 38426817 - 2³ = 38426809 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (38426807) 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, 79984 + ... + 80462.

It is an arithmetic number, because the mean of its divisors is an integer number (1340640).

Almost surely, 2^38426817 is an apocalyptic number.

It is an amenable number.

38426817 is a deficient number, since it is larger than the sum of its proper divisors (25923903).

38426817 is a wasteful number, since it uses less digits than its factorization.

38426817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 523 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 38426817 is about 6198.9367636717. The cubic root of 38426817 is about 337.4515837269.

The spelling of 38426817 in words is "thirty-eight million, four hundred twenty-six thousand, eight hundred seventeen".