913261947 has 16 divisors (see below), whose sum is σ = 1388489760. Its totient is φ = 528947712.

The previous prime is 913261903. The next prime is 913261949. The reversal of 913261947 is 749162319.

It is not a de Polignac number, because 913261947 - 2⁸ = 913261691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 913261899 and 913261908.

It is not an unprimeable number, because it can be changed into a prime (913261949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688072 + ... + 689397.

It is an arithmetic number, because the mean of its divisors is an integer number (86780610).

Almost surely, 2^913261947 is an apocalyptic number.

913261947 is a deficient number, since it is larger than the sum of its proper divisors (475227813).

913261947 is a wasteful number, since it uses less digits than its factorization.

913261947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377502.

The product of its digits is 81648, while the sum is 42.

The square root of 913261947 is about 30220.2241388114. The cubic root of 913261947 is about 970.2086018220.

The spelling of 913261947 in words is "nine hundred thirteen million, two hundred sixty-one thousand, nine hundred forty-seven".