84481493 has 2 divisors, whose sum is σ = 84481494. Its totient is φ = 84481492.

The previous prime is 84481469. The next prime is 84481499. The reversal of 84481493 is 39418448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63888049 + 20593444 = 7993^2 + 4538^2 .

It is a cyclic number.

It is not a de Polignac number, because 84481493 - 2¹⁰ = 84480469 is a prime.

It is a super-3 number, since 3×84481493³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84481493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84481499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42240746 + 42240747.

It is an arithmetic number, because the mean of its divisors is an integer number (42240747).

Almost surely, 2^84481493 is an apocalyptic number.

It is an amenable number.

84481493 is a deficient number, since it is larger than the sum of its proper divisors (1).

84481493 is an equidigital number, since it uses as much as digits as its factorization.

84481493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The square root of 84481493 is about 9191.3814522084. The cubic root of 84481493 is about 438.7871090330.

The spelling of 84481493 in words is "eighty-four million, four hundred eighty-one thousand, four hundred ninety-three".