49894889 has 24 divisors (see below), whose sum is σ = 58833216. Its totient is φ = 41870400.

The previous prime is 49894883. The next prime is 49894891. The reversal of 49894889 is 98849894.

It is not a de Polignac number, because 49894889 - 2²⁰ = 48846313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49894883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 817919 + ... + 817979.

It is an arithmetic number, because the mean of its divisors is an integer number (2451384).

Almost surely, 2^49894889 is an apocalyptic number.

It is an amenable number.

49894889 is a deficient number, since it is larger than the sum of its proper divisors (8938327).

49894889 is a wasteful number, since it uses less digits than its factorization.

49894889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 148 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 59.

The square root of 49894889 is about 7063.6314314947. The cubic root of 49894889 is about 368.1448139298.

The spelling of 49894889 in words is "forty-nine million, eight hundred ninety-four thousand, eight hundred eighty-nine".