1538364006 has 12 divisors (see below), whose sum is σ = 3333122052. Its totient is φ = 512787996.

The previous prime is 1538363999. The next prime is 1538364011. The reversal of 1538364006 is 6004638351.

1538364006 is a `hidden beast` number, since 1 + 5 + 3 + 8 + 3 + 640 + 0 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42732316 + ... + 42732351.

It is an arithmetic number, because the mean of its divisors is an integer number (277760171).

Almost surely, 2^1538364006 is an apocalyptic number.

1538364006 is an abundant number, since it is smaller than the sum of its proper divisors (1794758046).

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

1538364006 is a wasteful number, since it uses less digits than its factorization.

1538364006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85464675 (or 85464672 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1538364006 is about 39221.9837081196. The cubic root of 1538364006 is about 1154.3912775983.

The spelling of 1538364006 in words is "one billion, five hundred thirty-eight million, three hundred sixty-four thousand, six".