83634534 has 12 divisors (see below), whose sum is σ = 181208196. Its totient is φ = 27878172.

The previous prime is 83634511. The next prime is 83634553. The reversal of 83634534 is 43543638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2323164 + ... + 2323199.

It is an arithmetic number, because the mean of its divisors is an integer number (15100683).

Almost surely, 2^83634534 is an apocalyptic number.

83634534 is an abundant number, since it is smaller than the sum of its proper divisors (97573662).

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

83634534 is a wasteful number, since it uses less digits than its factorization.

83634534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646371 (or 4646368 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 83634534 is about 9145.1918514594. The cubic root of 83634534 is about 437.3158456523.

The spelling of 83634534 in words is "eighty-three million, six hundred thirty-four thousand, five hundred thirty-four".