633671492 has 6 divisors (see below), whose sum is σ = 1108925118. Its totient is φ = 316835744.

The previous prime is 633671491. The next prime is 633671501. The reversal of 633671492 is 294176336.

It can be written as a sum of positive squares in only one way, i.e., 404572996 + 229098496 = 20114^2 + 15136^2 .

It is a super-3 number, since 3×633671492³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (633671491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79208933 + ... + 79208940.

It is an arithmetic number, because the mean of its divisors is an integer number (184820853).

Almost surely, 2^633671492 is an apocalyptic number.

It is an amenable number.

633671492 is a deficient number, since it is larger than the sum of its proper divisors (475253626).

633671492 is a wasteful number, since it uses less digits than its factorization.

633671492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158417877 (or 158417875 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 633671492 is about 25172.8324190982. The cubic root of 633671492 is about 858.9239706241.

The spelling of 633671492 in words is "six hundred thirty-three million, six hundred seventy-one thousand, four hundred ninety-two".