634850370 has 288 divisors, whose sum is σ = 2189566080. Its totient is φ = 125959680.

The previous prime is 634850369. The next prime is 634850371. The reversal of 634850370 is 73058436.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (634850369) and next prime (634850371).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (634850371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1115446 + ... + 1116014.

It is an arithmetic number, because the mean of its divisors is an integer number (7602660).

Almost surely, 2^634850370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634850370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094783040).

634850370 is an abundant number, since it is smaller than the sum of its proper divisors (1554715710).

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

634850370 is a wasteful number, since it uses less digits than its factorization.

634850370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 634850370 is about 25196.2372190770. The cubic root of 634850370 is about 859.4562860323.

The spelling of 634850370 in words is "six hundred thirty-four million, eight hundred fifty thousand, three hundred seventy".