49666236 has 12 divisors (see below), whose sum is σ = 115887912. Its totient is φ = 16555408.

The previous prime is 49666193. The next prime is 49666237. The reversal of 49666236 is 63266694.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49666237) 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, 2069415 + ... + 2069438.

It is an arithmetic number, because the mean of its divisors is an integer number (9657326).

Almost surely, 2^49666236 is an apocalyptic number.

It is an amenable number.

49666236 is an abundant number, since it is smaller than the sum of its proper divisors (66221676).

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

49666236 is a wasteful number, since it uses less digits than its factorization.

49666236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138860 (or 4138858 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

The square root of 49666236 is about 7047.4276158042. The cubic root of 49666236 is about 367.5815876980.

The spelling of 49666236 in words is "forty-nine million, six hundred sixty-six thousand, two hundred thirty-six".