634498 has 8 divisors (see below), whose sum is σ = 955980. Its totient is φ = 315840.

The previous prime is 634493. The next prime is 634499. The reversal of 634498 is 894436.

It can be written as a sum of positive squares in 2 ways, for example, as 619369 + 15129 = 787^2 + 123^2 .

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

It is not an unprimeable number, because it can be changed into a prime (634493) by changing a digit.

634498 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 3 ways as a sum of consecutive naturals, for example, 3 + ... + 1126.

2⁶³⁴⁴⁹⁸ is an apocalyptic number.

634498 is a deficient number, since it is larger than the sum of its proper divisors (321482).

634498 is a wasteful number, since it uses less digits than its factorization.

634498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412.

The product of its digits is 20736, while the sum is 34.

The square root of 634498 is about 796.5538274342. The cubic root of 634498 is about 85.9297244535.

The spelling of 634498 in words is "six hundred thirty-four thousand, four hundred ninety-eight".