84426441 has 8 divisors (see below), whose sum is σ = 122802144. Its totient is φ = 51167520.

The previous prime is 84426439. The next prime is 84426451. The reversal of 84426441 is 14462448.

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

It is not a de Polignac number, because 84426441 - 2¹ = 84426439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2558377 = 84426441 / (8 + 4 + 4 + 2 + 6 + 4 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (84426401) 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, 1279156 + ... + 1279221.

It is an arithmetic number, because the mean of its divisors is an integer number (15350268).

Almost surely, 2^84426441 is an apocalyptic number.

It is an amenable number.

84426441 is a deficient number, since it is larger than the sum of its proper divisors (38375703).

84426441 is a wasteful number, since it uses less digits than its factorization.

84426441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558391.

The product of its digits is 24576, while the sum is 33.

The square root of 84426441 is about 9188.3862021576. The cubic root of 84426441 is about 438.6917770810.

Adding to 84426441 its reverse (14462448), we get a palindrome (98888889).

The spelling of 84426441 in words is "eighty-four million, four hundred twenty-six thousand, four hundred forty-one".