2391841428 has 24 divisors (see below), whose sum is σ = 5582156832. Its totient is φ = 797109984.

The previous prime is 2391841427. The next prime is 2391841433. The reversal of 2391841428 is 8241481932.

It is a self number, because there is not a number n which added to its sum of digits gives 2391841428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391841427) 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, 45526 + ... + 82802.

It is an arithmetic number, because the mean of its divisors is an integer number (232589868).

Almost surely, 2^2391841428 is an apocalyptic number.

It is an amenable number.

2391841428 is an abundant number, since it is smaller than the sum of its proper divisors (3190315404).

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

2391841428 is a wasteful number, since it uses less digits than its factorization.

2391841428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42631 (or 42629 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 2391841428 is about 48906.4558928573. The cubic root of 2391841428 is about 1337.3470620015.

The spelling of 2391841428 in words is "two billion, three hundred ninety-one million, eight hundred forty-one thousand, four hundred twenty-eight".