84342834 has 12 divisors (see below), whose sum is σ = 182742846. Its totient is φ = 28114272.

The previous prime is 84342833. The next prime is 84342877. The reversal of 84342834 is 43824348.

It can be written as a sum of positive squares in only one way, i.e., 73153809 + 11189025 = 8553^2 + 3345^2 .

It is a super-2 number, since 2×84342834² = 14227427294303112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84342833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2342839 + ... + 2342874.

Almost surely, 2^84342834 is an apocalyptic number.

84342834 is an abundant number, since it is smaller than the sum of its proper divisors (98400012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84342834 is a wasteful number, since it uses less digits than its factorization.

84342834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685721 (or 4685718 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 84342834 is about 9183.8354732650. The cubic root of 84342834 is about 438.5469179710.

The spelling of 84342834 in words is "eighty-four million, three hundred forty-two thousand, eight hundred thirty-four".