84047469 has 16 divisors (see below), whose sum is σ = 128686080. Its totient is φ = 48256560.

The previous prime is 84047459. The next prime is 84047471. The reversal of 84047469 is 96474048.

It is not a de Polignac number, because 84047469 - 2¹¹ = 84045421 is a prime.

It is a super-2 number, since 2×84047469² = 14127954090611922, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84047469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84047429) 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 15 ways as a sum of consecutive naturals, for example, 66397 + ... + 67650.

It is an arithmetic number, because the mean of its divisors is an integer number (8042880).

Almost surely, 2^84047469 is an apocalyptic number.

It is an amenable number.

84047469 is a deficient number, since it is larger than the sum of its proper divisors (44638611).

84047469 is a wasteful number, since it uses less digits than its factorization.

84047469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134080.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 84047469 is about 9167.7406704160. The cubic root of 84047469 is about 438.0343950388.

The spelling of 84047469 in words is "eighty-four million, forty-seven thousand, four hundred sixty-nine".