49784436 has 96 divisors (see below), whose sum is σ = 141590400. Its totient is φ = 15033600.

The previous prime is 49784431. The next prime is 49784447. The reversal of 49784436 is 63448794.

It is a junction number, because it is equal to n+sod(n) for n = 49784391 and 49784400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49784431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82536 + ... + 83136.

It is an arithmetic number, because the mean of its divisors is an integer number (1474900).

Almost surely, 2^49784436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49784436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70795200).

49784436 is an abundant number, since it is smaller than the sum of its proper divisors (91805964).

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

49784436 is a wasteful number, since it uses less digits than its factorization.

49784436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 678 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 49784436 is about 7055.8086708754. The cubic root of 49784436 is about 367.8729574859.

The spelling of 49784436 in words is "forty-nine million, seven hundred eighty-four thousand, four hundred thirty-six".