912872649 has 8 divisors (see below), whose sum is σ = 1310791552. Its totient is φ = 561767760.

The previous prime is 912872641. The next prime is 912872657. The reversal of 912872649 is 946278219.

912872649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (912872641) and next prime (912872657).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 912872649 - 2³ = 912872641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 912872598 and 912872607.

It is not an unprimeable number, because it can be changed into a prime (912872641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11703457 + ... + 11703534.

It is an arithmetic number, because the mean of its divisors is an integer number (163848944).

Almost surely, 2^912872649 is an apocalyptic number.

It is an amenable number.

912872649 is a deficient number, since it is larger than the sum of its proper divisors (397918903).

912872649 is a wasteful number, since it uses less digits than its factorization.

912872649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23407007.

The product of its digits is 435456, while the sum is 48.

The square root of 912872649 is about 30213.7824345116. The cubic root of 912872649 is about 970.0707246409.

The spelling of 912872649 in words is "nine hundred twelve million, eight hundred seventy-two thousand, six hundred forty-nine".