84041643 has 16 divisors (see below), whose sum is σ = 128441600. Its totient is φ = 47882016.

The previous prime is 84041641. The next prime is 84041647. The reversal of 84041643 is 34614048.

It is not a de Polignac number, because 84041643 - 2¹ = 84041641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84041643.

It is not an unprimeable number, because it can be changed into a prime (84041641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1596 + ... + 13062.

It is an arithmetic number, because the mean of its divisors is an integer number (8027600).

Almost surely, 2^84041643 is an apocalyptic number.

84041643 is a deficient number, since it is larger than the sum of its proper divisors (44399957).

84041643 is a wasteful number, since it uses less digits than its factorization.

84041643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11826.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 84041643 is about 9167.4229203195. The cubic root of 84041643 is about 438.0242735865.

The spelling of 84041643 in words is "eighty-four million, forty-one thousand, six hundred forty-three".