49081938 has 8 divisors (see below), whose sum is σ = 98163888. Its totient is φ = 16360644.

The previous prime is 49081927. The next prime is 49081939. The reversal of 49081938 is 83918094.

It is a sphenic number, since it is the product of 3 distinct primes.

49081938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 49081938.

It is not an unprimeable number, because it can be changed into a prime (49081939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4090156 + ... + 4090167.

It is an arithmetic number, because the mean of its divisors is an integer number (12270486).

Almost surely, 2^49081938 is an apocalyptic number.

49081938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49081938 is a wasteful number, since it uses less digits than its factorization.

49081938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8180328.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 49081938 is about 7005.8502695961. The cubic root of 49081938 is about 366.1344276127.

It can be divided in two parts, 490 and 81938, that added together give a palindrome (82428).

The spelling of 49081938 in words is "forty-nine million, eighty-one thousand, nine hundred thirty-eight".