1939019432 has 32 divisors (see below), whose sum is σ = 4191825600. Its totient is φ = 823651584.

The previous prime is 1939019419. The next prime is 1939019449. The reversal of 1939019432 is 2349109391.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1939019432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146882 + ... + 159537.

It is an arithmetic number, because the mean of its divisors is an integer number (130994550).

Almost surely, 2^1939019432 is an apocalyptic number.

It is an amenable number.

1939019432 is an abundant number, since it is smaller than the sum of its proper divisors (2252806168).

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

1939019432 is a wasteful number, since it uses less digits than its factorization.

1939019432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306545 (or 306541 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 1939019432 is about 44034.2983593471. The cubic root of 1939019432 is about 1246.9835387847.

The spelling of 1939019432 in words is "one billion, nine hundred thirty-nine million, nineteen thousand, four hundred thirty-two".