406649099 has 8 divisors (see below), whose sum is σ = 412019280. Its totient is φ = 401296896.

The previous prime is 406649093. The next prime is 406649141. The reversal of 406649099 is 990946604.

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 406649099 - 2⁴ = 406649083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406649093) 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, 44507 + ... + 52859.

It is an arithmetic number, because the mean of its divisors is an integer number (51502410).

Almost surely, 2^406649099 is an apocalyptic number.

406649099 is a deficient number, since it is larger than the sum of its proper divisors (5370181).

406649099 is an equidigital number, since it uses as much as digits as its factorization.

406649099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8989.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 406649099 is about 20165.5423681090. The cubic root of 406649099 is about 740.8664667956.

The spelling of 406649099 in words is "four hundred six million, six hundred forty-nine thousand, ninety-nine".