634370 has 32 divisors (see below), whose sum is σ = 1278720. Its totient is φ = 224640.

The previous prime is 634367. The next prime is 634373. The reversal of 634370 is 73436.

It is an interprime number because it is at equal distance from previous prime (634367) and next prime (634373).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 634370.

It is not an unprimeable number, because it can be changed into a prime (634373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7991 + ... + 8069.

It is an arithmetic number, because the mean of its divisors is an integer number (39960).

2⁶³⁴³⁷⁰ is an apocalyptic number.

634370 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

634370 is a wasteful number, since it uses less digits than its factorization.

634370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 634370 is about 796.4734772734. The cubic root of 634370 is about 85.9239457411.

The spelling of 634370 in words is "six hundred thirty-four thousand, three hundred seventy".