84474481 has 27 divisors (see below), whose sum is σ = 107470593. Its totient is φ = 66175200.

The previous prime is 84474461. The next prime is 84474491. The reversal of 84474481 is 18447448.

The square root of 84474481 is 9191.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3186225 + 81288256 = 1785^2 + 9016^2 .

It is not a de Polignac number, because 84474481 - 2⁵ = 84474449 is a prime.

It is a super-2 number, since 2×84474481² = 14271875880438722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84474461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 836331 + ... + 836431.

Almost surely, 2^84474481 is an apocalyptic number.

84474481 is the 9191-st square number.

84474481 is the 4596-th centered octagonal number.

It is an amenable number.

84474481 is a deficient number, since it is larger than the sum of its proper divisors (22996112).

84474481 is a wasteful number, since it uses less digits than its factorization.

84474481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 121 counting only the distinct ones).

The product of its digits is 114688, while the sum is 40.

The cubic root of 84474481 is about 438.7749688579.

The spelling of 84474481 in words is "eighty-four million, four hundred seventy-four thousand, four hundred eighty-one".