84044402 has 8 divisors (see below), whose sum is σ = 135764076. Its totient is φ = 38789712.

The previous prime is 84044399. The next prime is 84044419. The reversal of 84044402 is 20444048.

It can be written as a sum of positive squares in 2 ways, for example, as 83740801 + 303601 = 9151^2 + 551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 3232477 = 84044402 / (8 + 4 + 0 + 4 + 4 + 4 + 0 + 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 in 3 ways as a sum of consecutive naturals, for example, 1616213 + ... + 1616264.

Almost surely, 2^84044402 is an apocalyptic number.

84044402 is a deficient number, since it is larger than the sum of its proper divisors (51719674).

84044402 is a wasteful number, since it uses less digits than its factorization.

84044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232492.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 84044402 is about 9167.5733975791. The cubic root of 84044402 is about 438.0290668283.

The spelling of 84044402 in words is "eighty-four million, forty-four thousand, four hundred two".