634683090 has 32 divisors (see below), whose sum is σ = 1526328000. Its totient is φ = 168905664.

The previous prime is 634683073. The next prime is 634683107. The reversal of 634683090 is 90386436.

It is an interprime number because it is at equal distance from previous prime (634683073) and next prime (634683107).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6229 + ... + 36168.

It is an arithmetic number, because the mean of its divisors is an integer number (47697750).

Almost surely, 2^634683090 is an apocalyptic number.

634683090 is an abundant number, since it is smaller than the sum of its proper divisors (891644910).

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

634683090 is a wasteful number, since it uses less digits than its factorization.

634683090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42906.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 634683090 is about 25192.9174570950. The cubic root of 634683090 is about 859.3807918772.

The spelling of 634683090 in words is "six hundred thirty-four million, six hundred eighty-three thousand, ninety".