84344497 has 8 divisors (see below), whose sum is σ = 91720296. Its totient is φ = 77236992.

The previous prime is 84344483. The next prime is 84344501. The reversal of 84344497 is 79444348.

It can be written as a sum of positive squares in 4 ways, for example, as 55711296 + 28633201 = 7464^2 + 5351^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84344497 is a prime.

It is a super-2 number, since 2×84344497² = 14227988348366018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84344417) 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, 66418 + ... + 67675.

It is an arithmetic number, because the mean of its divisors is an integer number (11465037).

Almost surely, 2^84344497 is an apocalyptic number.

It is an amenable number.

84344497 is a deficient number, since it is larger than the sum of its proper divisors (7375799).

84344497 is a wasteful number, since it uses less digits than its factorization.

84344497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134147.

The product of its digits is 387072, while the sum is 43.

The square root of 84344497 is about 9183.9260123326. The cubic root of 84344497 is about 438.5498002500.

The spelling of 84344497 in words is "eighty-four million, three hundred forty-four thousand, four hundred ninety-seven".