84043454 has 12 divisors (see below), whose sum is σ = 138567912. Its totient is φ = 38201460.

The previous prime is 84043423. The next prime is 84043489. The reversal of 84043454 is 45434048.

It is a self number, because there is not a number n which added to its sum of digits gives 84043454.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 173402 + ... + 173885.

It is an arithmetic number, because the mean of its divisors is an integer number (11547326).

Almost surely, 2^84043454 is an apocalyptic number.

84043454 is a deficient number, since it is larger than the sum of its proper divisors (54524458).

84043454 is a wasteful number, since it uses less digits than its factorization.

84043454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347311 (or 347300 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 84043454 is about 9167.5216934567. The cubic root of 84043454 is about 438.0274198690.

The spelling of 84043454 in words is "eighty-four million, forty-three thousand, four hundred fifty-four".