84297213 has 64 divisors (see below), whose sum is σ = 167731200. Its totient is φ = 40409280.

The previous prime is 84297193. The next prime is 84297217. The reversal of 84297213 is 31279248.

It is not a de Polignac number, because 84297213 - 2¹⁰ = 84296189 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84297217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25468 + ... + 28586.

It is an arithmetic number, because the mean of its divisors is an integer number (2620800).

Almost surely, 2^84297213 is an apocalyptic number.

It is an amenable number.

84297213 is a deficient number, since it is larger than the sum of its proper divisors (83433987).

84297213 is a wasteful number, since it uses less digits than its factorization.

84297213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159 (or 3153 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 84297213 is about 9181.3513711218. The cubic root of 84297213 is about 438.4678337686.

The spelling of 84297213 in words is "eighty-four million, two hundred ninety-seven thousand, two hundred thirteen".