84423411 has 32 divisors (see below), whose sum is σ = 133254720. Its totient is φ = 52641792.

The previous prime is 84423407. The next prime is 84423413. The reversal of 84423411 is 11432448.

It is not a de Polignac number, because 84423411 - 2² = 84423407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (84423413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88111 + ... + 89063.

It is an arithmetic number, because the mean of its divisors is an integer number (4164210).

Almost surely, 2^84423411 is an apocalyptic number.

84423411 is a deficient number, since it is larger than the sum of its proper divisors (48831309).

84423411 is a wasteful number, since it uses less digits than its factorization.

84423411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1166 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 84423411 is about 9188.2213186231. The cubic root of 84423411 is about 438.6865289148.

Adding to 84423411 its reverse (11432448), we get a palindrome (95855859).

The spelling of 84423411 in words is "eighty-four million, four hundred twenty-three thousand, four hundred eleven".