634790 has 32 divisors (see below), whose sum is σ = 1300320. Its totient is φ = 221184.

The previous prime is 634759. The next prime is 634793. The reversal of 634790 is 97436.

634790 is nontrivially palindromic in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634793) by changing a digit.

634790 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2342 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (40635).

2⁶³⁴⁷⁹⁰ is an apocalyptic number.

634790 is an abundant number, since it is smaller than the sum of its proper divisors (665530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634790 is a wasteful number, since it uses less digits than its factorization.

634790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 634790 is about 796.7370959106. The cubic root of 634790 is about 85.9429042331.

The spelling of 634790 in words is "six hundred thirty-four thousand, seven hundred ninety".