49690686 has 16 divisors (see below), whose sum is σ = 99485568. Its totient is φ = 16546200.

The previous prime is 49690679. The next prime is 49690723. The reversal of 49690686 is 68609694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2751 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (6217848).

Almost surely, 2^49690686 is an apocalyptic number.

49690686 is an abundant number, since it is smaller than the sum of its proper divisors (49794882).

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

49690686 is a wasteful number, since it uses less digits than its factorization.

49690686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8687.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 49690686 is about 7049.1620778643. The cubic root of 49690686 is about 367.6418962440.

The spelling of 49690686 in words is "forty-nine million, six hundred ninety thousand, six hundred eighty-six".