49491238 has 16 divisors (see below), whose sum is σ = 78336000. Its totient is φ = 23385672.

The previous prime is 49491229. The next prime is 49491263. The reversal of 49491238 is 83219494.

It is a self number, because there is not a number n which added to its sum of digits gives 49491238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16843 + ... + 19561.

It is an arithmetic number, because the mean of its divisors is an integer number (4896000).

Almost surely, 2^49491238 is an apocalyptic number.

49491238 is a deficient number, since it is larger than the sum of its proper divisors (28844762).

49491238 is a wasteful number, since it uses less digits than its factorization.

49491238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219.

The product of its digits is 62208, while the sum is 40.

The square root of 49491238 is about 7035.0009239516. Note that the first 3 decimals coincide. The cubic root of 49491238 is about 367.1493574975.

It can be divided in two parts, 49491 and 238, that added together give a square (49729 = 223²).

The spelling of 49491238 in words is "forty-nine million, four hundred ninety-one thousand, two hundred thirty-eight".