49387894 has 4 divisors (see below), whose sum is σ = 74081844. Its totient is φ = 24693946.

The previous prime is 49387861. The next prime is 49387913. The reversal of 49387894 is 49878394.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12346972 + ... + 12346975.

It is an arithmetic number, because the mean of its divisors is an integer number (18520461).

Almost surely, 2^49387894 is an apocalyptic number.

49387894 is a deficient number, since it is larger than the sum of its proper divisors (24693950).

49387894 is a wasteful number, since it uses less digits than its factorization.

49387894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24693949.

The product of its digits is 1741824, while the sum is 52.

The square root of 49387894 is about 7027.6520972513. The cubic root of 49387894 is about 366.8936278968.

The spelling of 49387894 in words is "forty-nine million, three hundred eighty-seven thousand, eight hundred ninety-four".