49847904 has 72 divisors (see below), whose sum is σ = 143757432. Its totient is φ = 16381440.

The previous prime is 49847899. The next prime is 49847911. The reversal of 49847904 is 40974894.

49847904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 49847904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19839 + ... + 22209.

It is an arithmetic number, because the mean of its divisors is an integer number (1996631).

Almost surely, 2^49847904 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 49847904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71878716).

49847904 is an abundant number, since it is smaller than the sum of its proper divisors (93909528).

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

49847904 is a wasteful number, since it uses less digits than its factorization.

49847904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 2449 counting only the distinct ones).

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

The square root of 49847904 is about 7060.3048092841. The cubic root of 49847904 is about 368.0292194820.

The spelling of 49847904 in words is "forty-nine million, eight hundred forty-seven thousand, nine hundred four".