84845943 has 48 divisors (see below), whose sum is σ = 151977280. Its totient is φ = 44680896.

The previous prime is 84845939. The next prime is 84845987. The reversal of 84845943 is 34954848.

It is a happy number.

It is not a de Polignac number, because 84845943 - 2² = 84845939 is a prime.

It is a super-3 number, since 3×84845943³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84845903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138105 + ... + 138717.

Almost surely, 2^84845943 is an apocalyptic number.

84845943 is a deficient number, since it is larger than the sum of its proper divisors (67131337).

84845943 is a wasteful number, since it uses less digits than its factorization.

84845943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 636 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 84845943 is about 9211.1857542881. The cubic root of 84845943 is about 439.4171742642.

The spelling of 84845943 in words is "eighty-four million, eight hundred forty-five thousand, nine hundred forty-three".