634216 has 16 divisors (see below), whose sum is σ = 1297440. Its totient is φ = 288240.

The previous prime is 634211. The next prime is 634223. The reversal of 634216 is 612436.

634216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (634211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3516 + ... + 3691.

It is an arithmetic number, because the mean of its divisors is an integer number (81090).

2⁶³⁴²¹⁶ is an apocalyptic number.

It is an amenable number.

634216 is an abundant number, since it is smaller than the sum of its proper divisors (663224).

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

634216 is a wasteful number, since it uses less digits than its factorization.

634216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7224 (or 7220 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 634216 is about 796.3767952421. The cubic root of 634216 is about 85.9169921974.

The spelling of 634216 in words is "six hundred thirty-four thousand, two hundred sixteen".