84404452 has 12 divisors (see below), whose sum is σ = 161135856. Its totient is φ = 38365640.

The previous prime is 84404423. The next prime is 84404459. The reversal of 84404452 is 25440448.

It is a super-2 number, since 2×84404452² = 14248223034840608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84404459) by changing a digit.

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, 959098 + ... + 959185.

It is an arithmetic number, because the mean of its divisors is an integer number (13427988).

Almost surely, 2^84404452 is an apocalyptic number.

It is an amenable number.

84404452 is a deficient number, since it is larger than the sum of its proper divisors (76731404).

84404452 is a wasteful number, since it uses less digits than its factorization.

84404452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918298 (or 1918296 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 84404452 is about 9187.1895593810. The cubic root of 84404452 is about 438.6536877851.

The spelling of 84404452 in words is "eighty-four million, four hundred four thousand, four hundred fifty-two".