633794649 has 8 divisors (see below), whose sum is σ = 845680512. Its totient is φ = 422219280.

The previous prime is 633794641. The next prime is 633794653. The reversal of 633794649 is 946497336.

633794649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 633794649 - 2³ = 633794641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (633794641) 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, 72817 + ... + 81054.

It is an arithmetic number, because the mean of its divisors is an integer number (105710064).

Almost surely, 2^633794649 is an apocalyptic number.

It is an amenable number.

633794649 is a deficient number, since it is larger than the sum of its proper divisors (211885863).

633794649 is a wasteful number, since it uses less digits than its factorization.

633794649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155247.

The product of its digits is 2939328, while the sum is 51.

The square root of 633794649 is about 25175.2785287472. The cubic root of 633794649 is about 858.9796123082.

The spelling of 633794649 in words is "six hundred thirty-three million, seven hundred ninety-four thousand, six hundred forty-nine".