84231451 has 8 divisors (see below), whose sum is σ = 88405920. Its totient is φ = 80099712.

The previous prime is 84231439. The next prime is 84231461. The reversal of 84231451 is 15413248.

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

It is a cyclic number.

It is not a de Polignac number, because 84231451 - 2⁵ = 84231419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84231401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6606 + ... + 14563.

It is an arithmetic number, because the mean of its divisors is an integer number (11050740).

Almost surely, 2^84231451 is an apocalyptic number.

84231451 is a deficient number, since it is larger than the sum of its proper divisors (4174469).

84231451 is a wasteful number, since it uses less digits than its factorization.

84231451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21365.

The product of its digits is 3840, while the sum is 28.

The square root of 84231451 is about 9177.7693913064. The cubic root of 84231451 is about 438.3537848297.

Adding to 84231451 its reverse (15413248), we get a palindrome (99644699).

The spelling of 84231451 in words is "eighty-four million, two hundred thirty-one thousand, four hundred fifty-one".