84423030 has 32 divisors (see below), whose sum is σ = 202888800. Its totient is φ = 22482432.

The previous prime is 84423029. The next prime is 84423049. The reversal of 84423030 is 3032448.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 28876 + ... + 31664.

It is an arithmetic number, because the mean of its divisors is an integer number (6340275).

Almost surely, 2^84423030 is an apocalyptic number.

84423030 is an abundant number, since it is smaller than the sum of its proper divisors (118465770).

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

84423030 is a wasteful number, since it uses less digits than its factorization.

84423030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 84423030 is about 9188.2005855336. The cubic root of 84423030 is about 438.6858689880.

Adding to 84423030 its reverse (3032448), we get a palindrome (87455478).

The spelling of 84423030 in words is "eighty-four million, four hundred twenty-three thousand, thirty".