84983885 has 12 divisors (see below), whose sum is σ = 118630908. Its totient is φ = 58274496.

The previous prime is 84983881. The next prime is 84983887. The reversal of 84983885 is 58838948.

It can be written as a sum of positive squares in 2 ways, for example, as 62125924 + 22857961 = 7882^2 + 4781^2 .

It is not a de Polignac number, because 84983885 - 2² = 84983881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84983881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173192 + ... + 173681.

It is an arithmetic number, because the mean of its divisors is an integer number (9885909).

Almost surely, 2^84983885 is an apocalyptic number.

It is an amenable number.

84983885 is a deficient number, since it is larger than the sum of its proper divisors (33647023).

84983885 is a wasteful number, since it uses less digits than its factorization.

84983885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346892 (or 346885 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 53.

The square root of 84983885 is about 9218.6704572840. The cubic root of 84983885 is about 439.6551792204.

The spelling of 84983885 in words is "eighty-four million, nine hundred eighty-three thousand, eight hundred eighty-five".