38469999 has 4 divisors (see below), whose sum is σ = 51293336. Its totient is φ = 25646664.

The previous prime is 38469967. The next prime is 38470063. The reversal of 38469999 is 99996483.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38469999 - 2⁵ = 38469967 is a prime.

It is a Duffinian number.

38469999 is a modest number, since divided by 9999 gives 3846 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38469199) 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, 6411664 + ... + 6411669.

It is an arithmetic number, because the mean of its divisors is an integer number (12823334).

Almost surely, 2^38469999 is an apocalyptic number.

38469999 is a deficient number, since it is larger than the sum of its proper divisors (12823337).

38469999 is a wasteful number, since it uses less digits than its factorization.

38469999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12823336.

The product of its digits is 3779136, while the sum is 57.

The square root of 38469999 is about 6202.4188023706. The cubic root of 38469999 is about 337.5779397501.

The spelling of 38469999 in words is "thirty-eight million, four hundred sixty-nine thousand, nine hundred ninety-nine".