84264605 has 4 divisors (see below), whose sum is σ = 101117532. Its totient is φ = 67411680.

The previous prime is 84264599. The next prime is 84264613. The reversal of 84264605 is 50646248.

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 35976004 + 48288601 = 5998^2 + 6949^2 .

It is not a de Polignac number, because 84264605 - 2⁴ = 84264589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8426456 + ... + 8426465.

It is an arithmetic number, because the mean of its divisors is an integer number (25279383).

Almost surely, 2^84264605 is an apocalyptic number.

It is an amenable number.

84264605 is a deficient number, since it is larger than the sum of its proper divisors (16852927).

84264605 is a wasteful number, since it uses less digits than its factorization.

84264605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16852926.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 84264605 is about 9179.5754259116. The cubic root of 84264605 is about 438.4112901710.

It can be divided in two parts, 8426 and 4605, that added together give a palindrome (13031).

The spelling of 84264605 in words is "eighty-four million, two hundred sixty-four thousand, six hundred five".