84429473 has 4 divisors (see below), whose sum is σ = 85094400. Its totient is φ = 83764548.

The previous prime is 84429431. The next prime is 84429487. The reversal of 84429473 is 37492448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84429473 - 2²⁴ = 67652257 is a prime.

It is a super-2 number, since 2×84429473² = 14256671822115458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84429473.

It is not an unprimeable number, because it can be changed into a prime (84429493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332273 + ... + 332526.

It is an arithmetic number, because the mean of its divisors is an integer number (21273600).

Almost surely, 2^84429473 is an apocalyptic number.

It is an amenable number.

84429473 is a deficient number, since it is larger than the sum of its proper divisors (664927).

84429473 is a wasteful number, since it uses less digits than its factorization.

84429473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664926.

The product of its digits is 193536, while the sum is 41.

The square root of 84429473 is about 9188.5511915644. The cubic root of 84429473 is about 438.6970285857.

The spelling of 84429473 in words is "eighty-four million, four hundred twenty-nine thousand, four hundred seventy-three".