49786830 has 48 divisors (see below), whose sum is σ = 132953184. Its totient is φ = 12916800.

The previous prime is 49786813. The next prime is 49786831. The reversal of 49786830 is 3868794.

It is a happy number.

49786830 is a `hidden beast` number, since 497 + 86 + 83 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49786831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4146 + ... + 10805.

It is an arithmetic number, because the mean of its divisors is an integer number (2769858).

Almost surely, 2^49786830 is an apocalyptic number.

49786830 is an abundant number, since it is smaller than the sum of its proper divisors (83166354).

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

49786830 is a wasteful number, since it uses less digits than its factorization.

49786830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15001 (or 14998 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 49786830 is about 7055.9783162932. The cubic root of 49786830 is about 367.8788540660.

The spelling of 49786830 in words is "forty-nine million, seven hundred eighty-six thousand, eight hundred thirty".