16399498 has 8 divisors (see below), whose sum is σ = 24776640. Its totient is φ = 8140620.

The previous prime is 16399477. The next prime is 16399507. The reversal of 16399498 is 89499361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29218 + ... + 29773.

It is an arithmetic number, because the mean of its divisors is an integer number (3097080).

Almost surely, 2^16399498 is an apocalyptic number.

16399498 is a deficient number, since it is larger than the sum of its proper divisors (8377142).

16399498 is a wasteful number, since it uses less digits than its factorization.

16399498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59132.

The product of its digits is 419904, while the sum is 49.

The square root of 16399498 is about 4049.6293657568. The cubic root of 16399498 is about 254.0642262203.

The spelling of 16399498 in words is "sixteen million, three hundred ninety-nine thousand, four hundred ninety-eight".