633434894 has 16 divisors (see below), whose sum is σ = 986806800. Its totient is φ = 304691904.

The previous prime is 633434887. The next prime is 633434899. The reversal of 633434894 is 498434336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633434899) 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, 41504 + ... + 54675.

It is an arithmetic number, because the mean of its divisors is an integer number (61675425).

Almost surely, 2^633434894 is an apocalyptic number.

633434894 is a deficient number, since it is larger than the sum of its proper divisors (353371906).

633434894 is a wasteful number, since it uses less digits than its factorization.

633434894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96307.

The product of its digits is 746496, while the sum is 44.

The square root of 633434894 is about 25168.1325091871. The cubic root of 633434894 is about 858.8170566611.

The spelling of 633434894 in words is "six hundred thirty-three million, four hundred thirty-four thousand, eight hundred ninety-four".