84406544 has 10 divisors (see below), whose sum is σ = 163537710. Its totient is φ = 42203264.

The previous prime is 84406519. The next prime is 84406571. The reversal of 84406544 is 44560448.

It can be written as a sum of positive squares in only one way, i.e., 74166544 + 10240000 = 8612^2 + 3200^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2637689 + ... + 2637720.

It is an arithmetic number, because the mean of its divisors is an integer number (16353771).

Almost surely, 2^84406544 is an apocalyptic number.

It is an amenable number.

84406544 is a deficient number, since it is larger than the sum of its proper divisors (79131166).

84406544 is a wasteful number, since it uses less digits than its factorization.

84406544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275417 (or 5275411 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 84406544 is about 9187.3034128628. The cubic root of 84406544 is about 438.6573118275.

The spelling of 84406544 in words is "eighty-four million, four hundred six thousand, five hundred forty-four".