38038209 has 48 divisors (see below), whose sum is σ = 60862464. Its totient is φ = 20930400.

The previous prime is 38038207. The next prime is 38038211. The reversal of 38038209 is 90283083.

It is an interprime number because it is at equal distance from previous prime (38038207) and next prime (38038211).

It is not a de Polignac number, because 38038209 - 2¹ = 38038207 is a prime.

It is a Smith number, since the sum of its digits (33) 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 (33).

It is a self number, because there is not a number n which added to its sum of digits gives 38038209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38038207) 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, 369252 + ... + 369354.

It is an arithmetic number, because the mean of its divisors is an integer number (1267968).

Almost surely, 2^38038209 is an apocalyptic number.

It is an amenable number.

38038209 is a deficient number, since it is larger than the sum of its proper divisors (22824255).

38038209 is a wasteful number, since it uses less digits than its factorization.

38038209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 38038209 is about 6167.5123834493. The cubic root of 38038209 is about 336.3101851427.

The spelling of 38038209 in words is "thirty-eight million, thirty-eight thousand, two hundred nine".