49893940 has 24 divisors (see below), whose sum is σ = 106555680. Its totient is φ = 19618848.

The previous prime is 49893887. The next prime is 49893941. The reversal of 49893940 is 4939894.

49893940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49893941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19962 + ... + 22321.

It is an arithmetic number, because the mean of its divisors is an integer number (4439820).

Almost surely, 2^49893940 is an apocalyptic number.

It is an amenable number.

49893940 is an abundant number, since it is smaller than the sum of its proper divisors (56661740).

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

49893940 is a wasteful number, since it uses less digits than its factorization.

49893940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42351 (or 42349 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 49893940 is about 7063.5642560962. The cubic root of 49893940 is about 368.1424798788.

The spelling of 49893940 in words is "forty-nine million, eight hundred ninety-three thousand, nine hundred forty".