1841889916 has 6 divisors (see below), whose sum is σ = 3223307360. Its totient is φ = 920944956.

The previous prime is 1841889913. The next prime is 1841889923. The reversal of 1841889916 is 6199881481.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1841889913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230236236 + ... + 230236243.

Almost surely, 2^1841889916 is an apocalyptic number.

It is an amenable number.

1841889916 is a deficient number, since it is larger than the sum of its proper divisors (1381417444).

1841889916 is a wasteful number, since it uses less digits than its factorization.

1841889916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460472483 (or 460472481 counting only the distinct ones).

The product of its digits is 995328, while the sum is 55.

The square root of 1841889916 is about 42917.2449721554. The cubic root of 1841889916 is about 1225.8045340538.

The spelling of 1841889916 in words is "one billion, eight hundred forty-one million, eight hundred eighty-nine thousand, nine hundred sixteen".