84045826 has 4 divisors (see below), whose sum is σ = 126068742. Its totient is φ = 42022912.

The previous prime is 84045817. The next prime is 84045851. The reversal of 84045826 is 62854048.

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., 79227801 + 4818025 = 8901^2 + 2195^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21011455 + ... + 21011458.

Almost surely, 2^84045826 is an apocalyptic number.

84045826 is a deficient number, since it is larger than the sum of its proper divisors (42022916).

84045826 is a wasteful number, since it uses less digits than its factorization.

84045826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42022915.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 84045826 is about 9167.6510622951. The cubic root of 84045826 is about 438.0315407185.

The spelling of 84045826 in words is "eighty-four million, forty-five thousand, eight hundred twenty-six".