16849454 has 4 divisors (see below), whose sum is σ = 25274184. Its totient is φ = 8424726.

The previous prime is 16849451. The next prime is 16849457. The reversal of 16849454 is 45494861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45494861 = 5783 ⋅7867.

It is an interprime number because it is at equal distance from previous prime (16849451) and next prime (16849457).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16849451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4212362 + ... + 4212365.

It is an arithmetic number, because the mean of its divisors is an integer number (6318546).

Almost surely, 2^16849454 is an apocalyptic number.

16849454 is a deficient number, since it is larger than the sum of its proper divisors (8424730).

16849454 is an equidigital number, since it uses as much as digits as its factorization.

16849454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8424729.

The product of its digits is 138240, while the sum is 41.

The square root of 16849454 is about 4104.8086435302. The cubic root of 16849454 is about 256.3668953879.

The spelling of 16849454 in words is "sixteen million, eight hundred forty-nine thousand, four hundred fifty-four".