16490347 has 4 divisors (see below), whose sum is σ = 17358280. Its totient is φ = 15622416.

The previous prime is 16490339. The next prime is 16490351. The reversal of 16490347 is 74309461.

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 16490347 - 2³ = 16490339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16490317) 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, 433938 + ... + 433975.

It is an arithmetic number, because the mean of its divisors is an integer number (4339570).

Almost surely, 2^16490347 is an apocalyptic number.

16490347 is a deficient number, since it is larger than the sum of its proper divisors (867933).

16490347 is an equidigital number, since it uses as much as digits as its factorization.

16490347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867932.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 16490347 is about 4060.8308263211. The cubic root of 16490347 is about 254.5325127039.

The spelling of 16490347 in words is "sixteen million, four hundred ninety thousand, three hundred forty-seven".