38321869 has 4 divisors (see below), whose sum is σ = 38623744. Its totient is φ = 38019996.

The previous prime is 38321867. The next prime is 38321891. The reversal of 38321869 is 96812383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38321869 - 2¹ = 38321867 is a prime.

It is a super-2 number, since 2×38321869² = 2937131287306322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38321867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150747 + ... + 151000.

It is an arithmetic number, because the mean of its divisors is an integer number (9655936).

Almost surely, 2^38321869 is an apocalyptic number.

It is an amenable number.

38321869 is a deficient number, since it is larger than the sum of its proper divisors (301875).

38321869 is a wasteful number, since it uses less digits than its factorization.

38321869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301874.

The product of its digits is 62208, while the sum is 40.

The square root of 38321869 is about 6190.4659759989. The cubic root of 38321869 is about 337.1440974343.

The spelling of 38321869 in words is "thirty-eight million, three hundred twenty-one thousand, eight hundred sixty-nine".