498634 has 4 divisors (see below), whose sum is σ = 747954. Its totient is φ = 249316.

The previous prime is 498613. The next prime is 498643. The reversal of 498634 is 436894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436894 = 2 ⋅218447.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 120409 = 615^2 + 347^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 498634.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124657 + ... + 124660.

2⁴⁹⁸⁶³⁴ is an apocalyptic number.

498634 is a deficient number, since it is larger than the sum of its proper divisors (249320).

498634 is a wasteful number, since it uses less digits than its factorization.

498634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249319.

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

The square root of 498634 is about 706.1402127057. The cubic root of 498634 is about 79.2977070144.

The spelling of 498634 in words is "four hundred ninety-eight thousand, six hundred thirty-four".