84213337 has 4 divisors (see below), whose sum is σ = 90691300. Its totient is φ = 77735376.

The previous prime is 84213317. The next prime is 84213347. The reversal of 84213337 is 73331248.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33362176 + 50851161 = 5776^2 + 7131^2 .

It is a cyclic number.

It is not a de Polignac number, because 84213337 - 2⁷ = 84213209 is a prime.

It is a super-2 number, since 2×84213337² = 14183772257351138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84213299 and 84213308.

It is not an unprimeable number, because it can be changed into a prime (84213317) 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, 3238962 + ... + 3238987.

It is an arithmetic number, because the mean of its divisors is an integer number (22672825).

Almost surely, 2^84213337 is an apocalyptic number.

It is an amenable number.

84213337 is a deficient number, since it is larger than the sum of its proper divisors (6477963).

84213337 is a wasteful number, since it uses less digits than its factorization.

84213337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477962.

The product of its digits is 12096, while the sum is 31.

The square root of 84213337 is about 9176.7824971501. The cubic root of 84213337 is about 438.3223598706.

The spelling of 84213337 in words is "eighty-four million, two hundred thirteen thousand, three hundred thirty-seven".