38742369 has 8 divisors (see below), whose sum is σ = 51753120. Its totient is φ = 25779936.

The previous prime is 38742307. The next prime is 38742383. The reversal of 38742369 is 96324783.

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

It is not a de Polignac number, because 38742369 - 2⁸ = 38742113 is a prime.

It is a super-2 number, since 2×38742369² = 3001942311464322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38742369.

It is not an unprimeable number, because it can be changed into a prime (38741369) 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, 10164 + ... + 13445.

It is an arithmetic number, because the mean of its divisors is an integer number (6469140).

Almost surely, 2^38742369 is an apocalyptic number.

It is an amenable number.

38742369 is a deficient number, since it is larger than the sum of its proper divisors (13010751).

38742369 is a wasteful number, since it uses less digits than its factorization.

38742369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24159.

The product of its digits is 217728, while the sum is 42.

The square root of 38742369 is about 6224.3368321453. The cubic root of 38742369 is about 338.3727578822.

The spelling of 38742369 in words is "thirty-eight million, seven hundred forty-two thousand, three hundred sixty-nine".