633706 has 4 divisors (see below), whose sum is σ = 950562. Its totient is φ = 316852.

The previous prime is 633667. The next prime is 633739. The reversal of 633706 is 607336.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 632025 + 1681 = 795^2 + 41^2 .

It is an Ulam number.

It is a plaindrome in base 12.

It is an unprimeable number.

633706 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158425 + ... + 158428.

2⁶³³⁷⁰⁶ is an apocalyptic number.

633706 is a deficient number, since it is larger than the sum of its proper divisors (316856).

633706 is a wasteful number, since it uses less digits than its factorization.

633706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316855.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 633706 is about 796.0565306560. The cubic root of 633706 is about 85.8939561884.

The spelling of 633706 in words is "six hundred thirty-three thousand, seven hundred six".