83634630 has 32 divisors (see below), whose sum is σ = 201019104. Its totient is φ = 22269696.

The previous prime is 83634619. The next prime is 83634631. The reversal of 83634630 is 3643638.

It is a junction number, because it is equal to n+sod(n) for n = 83634591 and 83634600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83634631) 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, 24084 + ... + 27336.

It is an arithmetic number, because the mean of its divisors is an integer number (6281847).

Almost surely, 2^83634630 is an apocalyptic number.

83634630 is an abundant number, since it is smaller than the sum of its proper divisors (117384474).

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

83634630 is a wasteful number, since it uses less digits than its factorization.

83634630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 83634630 is about 9145.1971001176. The cubic root of 83634630 is about 437.3160129768.

The spelling of 83634630 in words is "eighty-three million, six hundred thirty-four thousand, six hundred thirty".