49812786 has 64 divisors (see below), whose sum is σ = 114912000. Its totient is φ = 15984000.

The previous prime is 49812769. The next prime is 49812793. The reversal of 49812786 is 68721894.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329811 + ... + 329961.

It is an arithmetic number, because the mean of its divisors is an integer number (1795500).

Almost surely, 2^49812786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49812786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57456000).

49812786 is an abundant number, since it is smaller than the sum of its proper divisors (65099214).

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

49812786 is a wasteful number, since it uses less digits than its factorization.

49812786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 346 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 49812786 is about 7057.8173679970. The cubic root of 49812786 is about 367.9427732768.

The spelling of 49812786 in words is "forty-nine million, eight hundred twelve thousand, seven hundred eighty-six".