912349987 has 4 divisors (see below), whose sum is σ = 914625576. Its totient is φ = 910074400.

The previous prime is 912349967. The next prime is 912350011. The reversal of 912349987 is 789943219.

It is a happy number.

912349987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 912349987 - 2²⁷ = 778132259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (912349937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137193 + ... + 1137994.

It is an arithmetic number, because the mean of its divisors is an integer number (228656394).

Almost surely, 2^912349987 is an apocalyptic number.

912349987 is a deficient number, since it is larger than the sum of its proper divisors (2275589).

912349987 is a wasteful number, since it uses less digits than its factorization.

912349987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275588.

The product of its digits is 979776, while the sum is 52.

The square root of 912349987 is about 30205.1317990834. The cubic root of 912349987 is about 969.8855524447.

The spelling of 912349987 in words is "nine hundred twelve million, three hundred forty-nine thousand, nine hundred eighty-seven".