49186836 has 36 divisors (see below), whose sum is σ = 125253492. Its totient is φ = 16274304.

The previous prime is 49186817. The next prime is 49186847. The reversal of 49186836 is 63868194.

49186836 is a `hidden beast` number, since 491 + 86 + 83 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16353936 + 32832900 = 4044^2 + 5730^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 49186791 and 49186800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55 + ... + 9918.

Almost surely, 2^49186836 is an apocalyptic number.

It is an amenable number.

49186836 is an abundant number, since it is smaller than the sum of its proper divisors (76066656).

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

49186836 is a wasteful number, since it uses less digits than its factorization.

49186836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10120 (or 10115 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 49186836 is about 7013.3327313054. The cubic root of 49186836 is about 366.3950763848.

The spelling of 49186836 in words is "forty-nine million, one hundred eighty-six thousand, eight hundred thirty-six".