84215043 has 24 divisors (see below), whose sum is σ = 137283120. Its totient is φ = 49277760.

The previous prime is 84214993. The next prime is 84215069. The reversal of 84215043 is 34051248.

It is not a de Polignac number, because 84215043 - 2¹⁰ = 84214019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84214998 and 84215016.

It is not an unprimeable number, because it can be changed into a prime (84216043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11796 + ... + 17537.

It is an arithmetic number, because the mean of its divisors is an integer number (5720130).

Almost surely, 2^84215043 is an apocalyptic number.

84215043 is a deficient number, since it is larger than the sum of its proper divisors (53068077).

84215043 is a wasteful number, since it uses less digits than its factorization.

84215043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29379 (or 29376 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 84215043 is about 9176.8754486481. The cubic root of 84215043 is about 438.3253197062.

The spelling of 84215043 in words is "eighty-four million, two hundred fifteen thousand, forty-three".