49387438 has 16 divisors (see below), whose sum is σ = 74859840. Its totient is φ = 24435936.

The previous prime is 49387427. The next prime is 49387439. The reversal of 49387438 is 83478394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49387439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132220 + ... + 132592.

It is an arithmetic number, because the mean of its divisors is an integer number (4678740).

Almost surely, 2^49387438 is an apocalyptic number.

49387438 is a deficient number, since it is larger than the sum of its proper divisors (25472402).

49387438 is a wasteful number, since it uses less digits than its factorization.

49387438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 580608, while the sum is 46.

The square root of 49387438 is about 7027.6196539084. The cubic root of 49387438 is about 366.8924987131.

The spelling of 49387438 in words is "forty-nine million, three hundred eighty-seven thousand, four hundred thirty-eight".