84491499 has 8 divisors (see below), whose sum is σ = 118584640. Its totient is φ = 53363016.

The previous prime is 84491497. The next prime is 84491501. The reversal of 84491499 is 99419448.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84491497) and next prime (84491501).

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

It is not a de Polignac number, because 84491499 - 2¹ = 84491497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84491497) 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, 741097 + ... + 741210.

It is an arithmetic number, because the mean of its divisors is an integer number (14823080).

Almost surely, 2^84491499 is an apocalyptic number.

84491499 is a deficient number, since it is larger than the sum of its proper divisors (34093141).

84491499 is a wasteful number, since it uses less digits than its factorization.

84491499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482329.

The product of its digits is 373248, while the sum is 48.

The square root of 84491499 is about 9191.9257503529. The cubic root of 84491499 is about 438.8044316849.

The spelling of 84491499 in words is "eighty-four million, four hundred ninety-one thousand, four hundred ninety-nine".