904114649 has 8 divisors (see below), whose sum is σ = 914136840. Its totient is φ = 894142336.

The previous prime is 904114619. The next prime is 904114663. The reversal of 904114649 is 946411409.

It can be written as a sum of positive squares in 4 ways, for example, as 20539024 + 883575625 = 4532^2 + 29725^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-904114649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (904114619) 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, 24587 + ... + 49119.

It is an arithmetic number, because the mean of its divisors is an integer number (114267105).

Almost surely, 2^904114649 is an apocalyptic number.

It is an amenable number.

904114649 is a deficient number, since it is larger than the sum of its proper divisors (10022191).

904114649 is a wasteful number, since it uses less digits than its factorization.

904114649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24939.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 904114649 is about 30068.4992808088. The cubic root of 904114649 is about 966.9584998518.

The spelling of 904114649 in words is "nine hundred four million, one hundred fourteen thousand, six hundred forty-nine".