49878936 has 64 divisors (see below), whose sum is σ = 141199200. Its totient is φ = 16308864.

The previous prime is 49878931. The next prime is 49878947. The reversal of 49878936 is 63987894.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49878931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9270 + ... + 13626.

Almost surely, 2^49878936 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 49878936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70599600).

49878936 is an abundant number, since it is smaller than the sum of its proper divisors (91320264).

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

49878936 is a wasteful number, since it uses less digits than its factorization.

49878936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425 (or 4415 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 49878936 is about 7062.5021061944. The cubic root of 49878936 is about 368.1055738368.

The spelling of 49878936 in words is "forty-nine million, eight hundred seventy-eight thousand, nine hundred thirty-six".