84919453 has 8 divisors (see below), whose sum is σ = 89892000. Its totient is φ = 80083248.

The previous prime is 84919451. The next prime is 84919463. The reversal of 84919453 is 35491948.

It is a happy number.

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 84919453 - 2¹ = 84919451 is a prime.

It is a super-2 number, since 2×84919453² = 14422626995638418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84919451) 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, 32803 + ... + 35296.

It is an arithmetic number, because the mean of its divisors is an integer number (11236500).

Almost surely, 2^84919453 is an apocalyptic number.

It is an amenable number.

84919453 is a deficient number, since it is larger than the sum of its proper divisors (4972547).

84919453 is a wasteful number, since it uses less digits than its factorization.

84919453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68171.

The product of its digits is 155520, while the sum is 43.

The square root of 84919453 is about 9215.1751475487. The cubic root of 84919453 is about 439.5440404062.

It can be divided in two parts, 8491945 and 3, that added together give a palindrome (8491948).

The spelling of 84919453 in words is "eighty-four million, nine hundred nineteen thousand, four hundred fifty-three".