49780206 has 48 divisors (see below), whose sum is σ = 124566624. Its totient is φ = 14072832.

The previous prime is 49780189. The next prime is 49780219. The reversal of 49780206 is 60208794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10186 + ... + 14258.

It is an arithmetic number, because the mean of its divisors is an integer number (2595138).

Almost surely, 2^49780206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49780206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62283312).

49780206 is an abundant number, since it is smaller than the sum of its proper divisors (74786418).

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

49780206 is a wasteful number, since it uses less digits than its factorization.

49780206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185 (or 4182 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 49780206 is about 7055.5089114819. The cubic root of 49780206 is about 367.8625382544.

The spelling of 49780206 in words is "forty-nine million, seven hundred eighty thousand, two hundred six".