38479915 has 8 divisors (see below), whose sum is σ = 46470960. Its totient is φ = 30587232.

The previous prime is 38479913. The next prime is 38479919. The reversal of 38479915 is 51997483.

It is a happy number.

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 38479915 - 2¹ = 38479913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38479913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23725 + ... + 25294.

It is an arithmetic number, because the mean of its divisors is an integer number (5808870).

Almost surely, 2^38479915 is an apocalyptic number.

38479915 is a deficient number, since it is larger than the sum of its proper divisors (7991045).

38479915 is a wasteful number, since it uses less digits than its factorization.

38479915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49181.

The product of its digits is 272160, while the sum is 46.

The square root of 38479915 is about 6203.2181164296. The cubic root of 38479915 is about 337.6069418762.

The spelling of 38479915 in words is "thirty-eight million, four hundred seventy-nine thousand, nine hundred fifteen".