1943421024 has 24 divisors (see below), whose sum is σ = 5101480440. Its totient is φ = 647806976.

The previous prime is 1943420987. The next prime is 1943421037. The reversal of 1943421024 is 4201243491.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 1943420982 and 1943421000.

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 3 ways as a sum of consecutive naturals, for example, 10121889 + ... + 10122080.

It is an arithmetic number, because the mean of its divisors is an integer number (212561685).

Almost surely, 2^1943421024 is an apocalyptic number.

It is an amenable number.

1943421024 is an abundant number, since it is smaller than the sum of its proper divisors (3158059416).

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

1943421024 is a wasteful number, since it uses less digits than its factorization.

1943421024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20243982 (or 20243974 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1943421024 is about 44084.2491599891. The cubic root of 1943421024 is about 1247.9263804370.

The spelling of 1943421024 in words is "one billion, nine hundred forty-three million, four hundred twenty-one thousand, twenty-four".