49147392 has 120 divisors (see below), whose sum is σ = 152541576. Its totient is φ = 14020608.

The previous prime is 49147387. The next prime is 49147421. The reversal of 49147392 is 29374194.

49147392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49147392² = 4830932280803328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49147392.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 74938 + ... + 75590.

Almost surely, 2^49147392 is an apocalyptic number.

49147392 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49147392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76270788).

49147392 is an abundant number, since it is smaller than the sum of its proper divisors (103394184).

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

49147392 is an equidigital number, since it uses as much as digits as its factorization.

49147392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 665 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 49147392 is about 7010.5200948289. The cubic root of 49147392 is about 366.2971101169.

The spelling of 49147392 in words is "forty-nine million, one hundred forty-seven thousand, three hundred ninety-two".