84429873 has 12 divisors (see below), whose sum is σ = 133041168. Its totient is φ = 51169560.

The previous prime is 84429853. The next prime is 84429887. The reversal of 84429873 is 37892448.

It is not a de Polignac number, because 84429873 - 2⁶ = 84429809 is a prime.

It is a super-2 number, since 2×84429873² = 14256806909592258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84429823) 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, 426315 + ... + 426512.

It is an arithmetic number, because the mean of its divisors is an integer number (11086764).

Almost surely, 2^84429873 is an apocalyptic number.

It is an amenable number.

84429873 is a deficient number, since it is larger than the sum of its proper divisors (48611295).

84429873 is a wasteful number, since it uses less digits than its factorization.

84429873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852844 (or 852841 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 84429873 is about 9188.5729577557. The cubic root of 84429873 is about 438.6977213869.

The spelling of 84429873 in words is "eighty-four million, four hundred twenty-nine thousand, eight hundred seventy-three".