83816436 has 48 divisors (see below), whose sum is σ = 220243968. Its totient is φ = 24578400.

The previous prime is 83816431. The next prime is 83816441. The reversal of 83816436 is 63461838.

It is an interprime number because it is at equal distance from previous prime (83816431) and next prime (83816441).

It is a junction number, because it is equal to n+sod(n) for n = 83816394 and 83816403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83816431) 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, 6150 + ... + 14333.

It is an arithmetic number, because the mean of its divisors is an integer number (4588416).

Almost surely, 2^83816436 is an apocalyptic number.

It is an amenable number.

83816436 is an abundant number, since it is smaller than the sum of its proper divisors (136427532).

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

83816436 is a wasteful number, since it uses less digits than its factorization.

83816436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20532 (or 20530 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 83816436 is about 9155.1316757325. The cubic root of 83816436 is about 437.6326646383.

The spelling of 83816436 in words is "eighty-three million, eight hundred sixteen thousand, four hundred thirty-six".