38725399 has 8 divisors (see below), whose sum is σ = 40476672. Its totient is φ = 36979800.

The previous prime is 38725373. The next prime is 38725403. The reversal of 38725399 is 99352783.

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

It is a cyclic number.

It is not a de Polignac number, because 38725399 - 2⁵ = 38725367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38728399) 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, 18874 + ... + 20824.

It is an arithmetic number, because the mean of its divisors is an integer number (5059584).

Almost surely, 2^38725399 is an apocalyptic number.

38725399 is a deficient number, since it is larger than the sum of its proper divisors (1751273).

38725399 is a wasteful number, since it uses less digits than its factorization.

38725399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837.

The product of its digits is 408240, while the sum is 46.

The square root of 38725399 is about 6222.9734854007. The cubic root of 38725399 is about 338.3233457919.

The spelling of 38725399 in words is "thirty-eight million, seven hundred twenty-five thousand, three hundred ninety-nine".