84429471 has 16 divisors (see below), whose sum is σ = 128789504. Its totient is φ = 48194784.

The previous prime is 84429431. The next prime is 84429487. The reversal of 84429471 is 17492448.

It is not a de Polignac number, because 84429471 - 2¹⁰ = 84428447 is a prime.

It is a super-3 number, since 3×84429471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84429431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29130 + ... + 31896.

It is an arithmetic number, because the mean of its divisors is an integer number (8049344).

Almost surely, 2^84429471 is an apocalyptic number.

84429471 is a deficient number, since it is larger than the sum of its proper divisors (44360033).

84429471 is a wasteful number, since it uses less digits than its factorization.

84429471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230.

The product of its digits is 64512, while the sum is 39.

The square root of 84429471 is about 9188.5510827333. The cubic root of 84429471 is about 438.6970251216.

The spelling of 84429471 in words is "eighty-four million, four hundred twenty-nine thousand, four hundred seventy-one".