838612913 has 16 divisors (see below), whose sum is σ = 887760000. Its totient is φ = 790584960.

The previous prime is 838612909. The next prime is 838612967. The reversal of 838612913 is 319216838.

It is a cyclic number.

It is not a de Polignac number, because 838612913 - 2² = 838612909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (838612903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021043 + ... + 1021863.

It is an arithmetic number, because the mean of its divisors is an integer number (55485000).

Almost surely, 2^838612913 is an apocalyptic number.

It is an amenable number.

838612913 is a deficient number, since it is larger than the sum of its proper divisors (49147087).

838612913 is a wasteful number, since it uses less digits than its factorization.

838612913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its digits is 62208, while the sum is 41.

The square root of 838612913 is about 28958.8140813812. The cubic root of 838612913 is about 943.0191565999.

The spelling of 838612913 in words is "eight hundred thirty-eight million, six hundred twelve thousand, nine hundred thirteen".