634488 has 16 divisors (see below), whose sum is σ = 1586280. Its totient is φ = 211488.

The previous prime is 634483. The next prime is 634493. The reversal of 634488 is 884436.

It is an interprime number because it is at equal distance from previous prime (634483) and next prime (634493).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634483) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 13195 + ... + 13242.

2⁶³⁴⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

634488 is an abundant number, since it is smaller than the sum of its proper divisors (951792).

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

634488 is a wasteful number, since it uses less digits than its factorization.

634488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26446 (or 26442 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 634488 is about 796.5475503697. The cubic root of 634488 is about 85.9292730196.

The spelling of 634488 in words is "six hundred thirty-four thousand, four hundred eighty-eight".