84343892 has 12 divisors (see below), whose sum is σ = 147719796. Its totient is φ = 42138240.

The previous prime is 84343891. The next prime is 84343933. The reversal of 84343892 is 29834348.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8375236 + 75968656 = 2894^2 + 8716^2 .

It is a super-2 number, since 2×84343892² = 14227784235415328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84343891) 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 3 ways as a sum of consecutive naturals, for example, 2303 + ... + 13190.

It is an arithmetic number, because the mean of its divisors is an integer number (12309983).

Almost surely, 2^84343892 is an apocalyptic number.

It is an amenable number.

84343892 is a deficient number, since it is larger than the sum of its proper divisors (63375904).

84343892 is a wasteful number, since it uses less digits than its factorization.

84343892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16858 (or 16856 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 84343892 is about 9183.8930742904. The cubic root of 84343892 is about 438.5487516802.

The spelling of 84343892 in words is "eighty-four million, three hundred forty-three thousand, eight hundred ninety-two".