84909099 has 8 divisors (see below), whose sum is σ = 123504192. Its totient is φ = 51460040.

The previous prime is 84909089. The next prime is 84909103. The reversal of 84909099 is 99090948.

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 84909099 - 2¹² = 84905003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84909049) 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, 1286469 + ... + 1286534.

It is an arithmetic number, because the mean of its divisors is an integer number (15438024).

Almost surely, 2^84909099 is an apocalyptic number.

84909099 is a deficient number, since it is larger than the sum of its proper divisors (38595093).

84909099 is a wasteful number, since it uses less digits than its factorization.

84909099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573017.

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 84909099 is about 9214.6133396904. The cubic root of 84909099 is about 439.5261755401.

The spelling of 84909099 in words is "eighty-four million, nine hundred nine thousand, ninety-nine".