84444330 has 16 divisors (see below), whose sum is σ = 202666464. Its totient is φ = 22518480.

The previous prime is 84444329. The next prime is 84444331. The reversal of 84444330 is 3344448.

It is an interprime number because it is at equal distance from previous prime (84444329) and next prime (84444331).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2814811 = 84444330 / (8 + 4 + 4 + 4 + 4 + 3 + 3 + 0).

It is a Curzon number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (84444331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407376 + ... + 1407435.

It is an arithmetic number, because the mean of its divisors is an integer number (12666654).

Almost surely, 2^84444330 is an apocalyptic number.

84444330 is an abundant number, since it is smaller than the sum of its proper divisors (118222134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84444330 is a wasteful number, since it uses less digits than its factorization.

84444330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814821.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 84444330 is about 9189.3596077202. The cubic root of 84444330 is about 438.7227594876.

Adding to 84444330 its reverse (3344448), we get a palindrome (87788778).

The spelling of 84444330 in words is "eighty-four million, four hundred forty-four thousand, three hundred thirty".