84734469 has 6 divisors (see below), whose sum is σ = 122394246. Its totient is φ = 56489640.

The previous prime is 84734459. The next prime is 84734513. The reversal of 84734469 is 96443748.

It can be written as a sum of positive squares in only one way, i.e., 82573569 + 2160900 = 9087^2 + 1470^2 .

It is not a de Polignac number, because 84734469 - 2⁸ = 84734213 is a prime.

It is a super-2 number, since 2×84734469² = 14359860473423922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84734449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4707462 + ... + 4707479.

It is an arithmetic number, because the mean of its divisors is an integer number (20399041).

Almost surely, 2^84734469 is an apocalyptic number.

It is an amenable number.

84734469 is a deficient number, since it is larger than the sum of its proper divisors (37659777).

84734469 is a wasteful number, since it uses less digits than its factorization.

84734469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9414947 (or 9414944 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 84734469 is about 9205.1327529808. The cubic root of 84734469 is about 439.2246486261.

The spelling of 84734469 in words is "eighty-four million, seven hundred thirty-four thousand, four hundred sixty-nine".