842019892 has 24 divisors (see below), whose sum is σ = 1738365440. Its totient is φ = 349224480.

The previous prime is 842019869. The next prime is 842019907. The reversal of 842019892 is 298910248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484167 + ... + 485902.

Almost surely, 2^842019892 is an apocalyptic number.

It is an amenable number.

842019892 is an abundant number, since it is smaller than the sum of its proper divisors (896345548).

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

842019892 is a wasteful number, since it uses less digits than its factorization.

842019892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970111 (or 970109 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 842019892 is about 29017.5790168649. The cubic root of 842019892 is about 944.2944789533.

The spelling of 842019892 in words is "eight hundred forty-two million, nineteen thousand, eight hundred ninety-two".