634970 has 32 divisors (see below), whose sum is σ = 1340928. Its totient is φ = 211968.

The previous prime is 634969. The next prime is 634979. The reversal of 634970 is 79436.

It is not an unprimeable number, because it can be changed into a prime (634979) 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, 3194 + ... + 3386.

It is an arithmetic number, because the mean of its divisors is an integer number (41904).

2⁶³⁴⁹⁷⁰ is an apocalyptic number.

634970 is an abundant number, since it is smaller than the sum of its proper divisors (705958).

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

634970 is a wasteful number, since it uses less digits than its factorization.

634970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

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

The square root of 634970 is about 796.8500486290. The cubic root of 634970 is about 85.9510267413.

The spelling of 634970 in words is "six hundred thirty-four thousand, nine hundred seventy".