84340894 has 16 divisors (see below), whose sum is σ = 142465536. Its totient is φ = 37099800.

The previous prime is 84340847. The next prime is 84340897. The reversal of 84340894 is 49804348.

84340894 = T₁₃₀₀ + T₁₃₀₁ + ... + T₁₃₉₂.

It is a super-2 number, since 2×84340894² = 14226772801438472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84340897) 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 7 ways as a sum of consecutive naturals, for example, 61152 + ... + 62515.

It is an arithmetic number, because the mean of its divisors is an integer number (8904096).

Almost surely, 2^84340894 is an apocalyptic number.

84340894 is a deficient number, since it is larger than the sum of its proper divisors (58124642).

84340894 is a wasteful number, since it uses less digits than its factorization.

84340894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123711.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 84340894 is about 9183.7298522986. The cubic root of 84340894 is about 438.5435555532.

The spelling of 84340894 in words is "eighty-four million, three hundred forty thousand, eight hundred ninety-four".