806149499 has 16 divisors (see below), whose sum is σ = 870028800. Its totient is φ = 744544224.

The previous prime is 806149493. The next prime is 806149523. The reversal of 806149499 is 994941608.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 806149499 - 2⁴ = 806149483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806149493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245732 + ... + 248990.

It is an arithmetic number, because the mean of its divisors is an integer number (54376800).

Almost surely, 2^806149499 is an apocalyptic number.

806149499 is a deficient number, since it is larger than the sum of its proper divisors (63879301).

806149499 is a wasteful number, since it uses less digits than its factorization.

806149499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 806149499 is about 28392.7719499171. The cubic root of 806149499 is about 930.6903183898.

The spelling of 806149499 in words is "eight hundred six million, one hundred forty-nine thousand, four hundred ninety-nine".