1842986961 has 24 divisors (see below), whose sum is σ = 2725311680. Its totient is φ = 1199772000.

The previous prime is 1842986911. The next prime is 1842986969. The reversal of 1842986961 is 1696892481.

It is a de Polignac number, because none of the positive numbers 2^k-1842986961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1842986898 and 1842986907.

It is not an unprimeable number, because it can be changed into a prime (1842986969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64236 + ... + 88386.

Almost surely, 2^1842986961 is an apocalyptic number.

It is an amenable number.

1842986961 is a deficient number, since it is larger than the sum of its proper divisors (882324719).

1842986961 is a wasteful number, since it uses less digits than its factorization.

1842986961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24357 (or 24354 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 1842986961 is about 42930.0240041862. The cubic root of 1842986961 is about 1226.0478522217.

The spelling of 1842986961 in words is "one billion, eight hundred forty-two million, nine hundred eighty-six thousand, nine hundred sixty-one".