84492866 has 4 divisors (see below), whose sum is σ = 126739302. Its totient is φ = 42246432.

The previous prime is 84492853. The next prime is 84492883. The reversal of 84492866 is 66829448.

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

It can be written as a sum of positive squares in only one way, i.e., 79299025 + 5193841 = 8905^2 + 2279^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84492866.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21123215 + ... + 21123218.

Almost surely, 2^84492866 is an apocalyptic number.

84492866 is a deficient number, since it is larger than the sum of its proper divisors (42246436).

84492866 is a wasteful number, since it uses less digits than its factorization.

84492866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42246435.

The product of its digits is 663552, while the sum is 47.

The square root of 84492866 is about 9192.0001087903. Note that the first 3 decimals coincide. The cubic root of 84492866 is about 438.8067981653.

It can be divided in two parts, 84492 and 866, that added together give a palindrome (85358).

The spelling of 84492866 in words is "eighty-four million, four hundred ninety-two thousand, eight hundred sixty-six".