1538479308 has 24 divisors (see below), whose sum is σ = 3593988160. Its totient is φ = 512226000.

The previous prime is 1538479291. The next prime is 1538479309. The reversal of 1538479308 is 8039748351.

It is a super-2 number, since 2×1538479308² = 4733837162288317728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1538479309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64318 + ... + 84933.

Almost surely, 2^1538479308 is an apocalyptic number.

It is an amenable number.

1538479308 is an abundant number, since it is smaller than the sum of its proper divisors (2055508852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1538479308 is a wasteful number, since it uses less digits than its factorization.

1538479308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150117 (or 150115 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 1538479308 is about 39223.4535450411. The cubic root of 1538479308 is about 1154.4201178245.

The spelling of 1538479308 in words is "one billion, five hundred thirty-eight million, four hundred seventy-nine thousand, three hundred eight".