1942889284 has 48 divisors (see below), whose sum is σ = 3967968256. Its totient is φ = 815184000.

The previous prime is 1942889279. The next prime is 1942889297. The reversal of 1942889284 is 4829882491.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378334 + ... + 383434.

Almost surely, 2^1942889284 is an apocalyptic number.

1942889284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1942889284 is an abundant number, since it is smaller than the sum of its proper divisors (2025078972).

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

1942889284 is a wasteful number, since it uses less digits than its factorization.

1942889284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5396 (or 5394 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 55.

The square root of 1942889284 is about 44078.2177951877. The cubic root of 1942889284 is about 1247.8125548867.

The spelling of 1942889284 in words is "one billion, nine hundred forty-two million, eight hundred eighty-nine thousand, two hundred eighty-four".