16849499 has 4 divisors (see below), whose sum is σ = 17840664. Its totient is φ = 15858336.

The previous prime is 16849487. The next prime is 16849517. The reversal of 16849499 is 99494861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16849499 - 2⁸ = 16849243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16849429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495557 + ... + 495590.

It is an arithmetic number, because the mean of its divisors is an integer number (4460166).

Almost surely, 2^16849499 is an apocalyptic number.

16849499 is a deficient number, since it is larger than the sum of its proper divisors (991165).

16849499 is an equidigital number, since it uses as much as digits as its factorization.

16849499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991164.

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

The square root of 16849499 is about 4104.8141249026. The cubic root of 16849499 is about 256.3671236149.

The spelling of 16849499 in words is "sixteen million, eight hundred forty-nine thousand, four hundred ninety-nine".