84091453 has 4 divisors (see below), whose sum is σ = 84174048. Its totient is φ = 84008860.

The previous prime is 84091439. The next prime is 84091457. The reversal of 84091453 is 35419048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84091453 - 2⁵ = 84091421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84091457) 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 3 ways as a sum of consecutive naturals, for example, 39751 + ... + 41812.

It is an arithmetic number, because the mean of its divisors is an integer number (21043512).

Almost surely, 2^84091453 is an apocalyptic number.

It is an amenable number.

84091453 is a deficient number, since it is larger than the sum of its proper divisors (82595).

84091453 is a wasteful number, since it uses less digits than its factorization.

84091453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82594.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 84091453 is about 9170.1392028693. The cubic root of 84091453 is about 438.1107929172.

The spelling of 84091453 in words is "eighty-four million, ninety-one thousand, four hundred fifty-three".