84450401 has 8 divisors (see below), whose sum is σ = 96729600. Its totient is φ = 72224928.

The previous prime is 84450389. The next prime is 84450403. The reversal of 84450401 is 10405448.

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 84450401 - 2⁶ = 84450337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84450403) 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, 10001 + ... + 16398.

It is an arithmetic number, because the mean of its divisors is an integer number (12091200).

Almost surely, 2^84450401 is an apocalyptic number.

It is an amenable number.

84450401 is a deficient number, since it is larger than the sum of its proper divisors (12279199).

84450401 is a wasteful number, since it uses less digits than its factorization.

84450401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26863.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 84450401 is about 9189.6899294808. The cubic root of 84450401 is about 438.7332730100.

Adding to 84450401 its reverse (10405448), we get a palindrome (94855849).

The spelling of 84450401 in words is "eighty-four million, four hundred fifty thousand, four hundred one".