49689344 has 36 divisors (see below), whose sum is σ = 100699704. Its totient is φ = 24465408.

The previous prime is 49689331. The next prime is 49689349. The reversal of 49689344 is 44398694.

It is a happy number.

It is a super-4 number, since 4×49689344⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49689349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15704 + ... + 18600.

It is an arithmetic number, because the mean of its divisors is an integer number (2797214).

Almost surely, 2^49689344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49689344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50349852).

49689344 is an abundant number, since it is smaller than the sum of its proper divisors (51010360).

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

49689344 is an equidigital number, since it uses as much as digits as its factorization.

49689344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2966 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The square root of 49689344 is about 7049.0668886031. The cubic root of 49689344 is about 367.6385865703.

The spelling of 49689344 in words is "forty-nine million, six hundred eighty-nine thousand, three hundred forty-four".