84340458 has 24 divisors (see below), whose sum is σ = 186989088. Its totient is φ = 27459432.

The previous prime is 84340457. The next prime is 84340463. The reversal of 84340458 is 85404348.

It is a super-2 number, since 2×84340458² = 14226625711299528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84340457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53710 + ... + 55257.

It is an arithmetic number, because the mean of its divisors is an integer number (7791212).

Almost surely, 2^84340458 is an apocalyptic number.

84340458 is an abundant number, since it is smaller than the sum of its proper divisors (102648630).

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

84340458 is a wasteful number, since it uses less digits than its factorization.

84340458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109018 (or 109015 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 84340458 is about 9183.7061146359. The cubic root of 84340458 is about 438.5427998687.

The spelling of 84340458 in words is "eighty-four million, three hundred forty thousand, four hundred fifty-eight".