908680649 has 8 divisors (see below), whose sum is σ = 951206400. Its totient is φ = 866980800.

The previous prime is 908680639. The next prime is 908680667. The reversal of 908680649 is 946086809.

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

It is a cyclic number.

It is not a de Polignac number, because 908680649 - 2²⁴ = 891903433 is a prime.

It is a super-2 number, since 2×908680649² = 1651401043734122402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 908680597 and 908680606.

It is not an unprimeable number, because it can be changed into a prime (908680609) 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, 204224 + ... + 208625.

It is an arithmetic number, because the mean of its divisors is an integer number (118900800).

Almost surely, 2^908680649 is an apocalyptic number.

It is an amenable number.

908680649 is a deficient number, since it is larger than the sum of its proper divisors (42525751).

908680649 is a wasteful number, since it uses less digits than its factorization.

908680649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412951.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 908680649 is about 30144.3302960938. The cubic root of 908680649 is about 968.5835595346.

The spelling of 908680649 in words is "nine hundred eight million, six hundred eighty thousand, six hundred forty-nine".