913398705 has 24 divisors (see below), whose sum is σ = 1616913792. Its totient is φ = 476780064.

The previous prime is 913398691. The next prime is 913398709. The reversal of 913398705 is 507893319.

It is a happy number.

It is not a de Polignac number, because 913398705 - 2⁹ = 913398193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (913398709) 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 23 ways as a sum of consecutive naturals, for example, 213819 + ... + 218048.

It is an arithmetic number, because the mean of its divisors is an integer number (67371408).

Almost surely, 2^913398705 is an apocalyptic number.

It is an amenable number.

913398705 is a deficient number, since it is larger than the sum of its proper divisors (703515087).

913398705 is a wasteful number, since it uses less digits than its factorization.

913398705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431925 (or 431922 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 913398705 is about 30222.4867441447. The cubic root of 913398705 is about 970.2570279302.

The spelling of 913398705 in words is "nine hundred thirteen million, three hundred ninety-eight thousand, seven hundred five".