49686786 has 24 divisors (see below), whose sum is σ = 113321520. Its totient is φ = 15690456.

The previous prime is 49686779. The next prime is 49686797. The reversal of 49686786 is 68768694.

49686786 is a `hidden beast` number, since 496 + 86 + 78 + 6 = 666.

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, 72300 + ... + 72983.

It is an arithmetic number, because the mean of its divisors is an integer number (4721730).

Almost surely, 2^49686786 is an apocalyptic number.

49686786 is an abundant number, since it is smaller than the sum of its proper divisors (63634734).

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

49686786 is a wasteful number, since it uses less digits than its factorization.

49686786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145310 (or 145307 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 49686786 is about 7048.8854438131. The cubic root of 49686786 is about 367.6322778022.

The spelling of 49686786 in words is "forty-nine million, six hundred eighty-six thousand, seven hundred eighty-six".