84292213 has 4 divisors (see below), whose sum is σ = 85110688. Its totient is φ = 83473740.

The previous prime is 84292211. The next prime is 84292259. The reversal of 84292213 is 31229248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84292213 - 2¹ = 84292211 is a prime.

It is a super-3 number, since 3×84292213³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84292211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409083 + ... + 409288.

It is an arithmetic number, because the mean of its divisors is an integer number (21277672).

Almost surely, 2^84292213 is an apocalyptic number.

It is an amenable number.

84292213 is a deficient number, since it is larger than the sum of its proper divisors (818475).

84292213 is a wasteful number, since it uses less digits than its factorization.

84292213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818474.

The product of its digits is 6912, while the sum is 31.

The square root of 84292213 is about 9181.0790760128. The cubic root of 84292213 is about 438.4591645119.

The spelling of 84292213 in words is "eighty-four million, two hundred ninety-two thousand, two hundred thirteen".