16398473 has 16 divisors (see below), whose sum is σ = 20837376. Its totient is φ = 12553920.

The previous prime is 16398469. The next prime is 16398491. The reversal of 16398473 is 37489361.

16398473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16398473 - 2² = 16398469 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16398473.

It is not an unprimeable number, because it can be changed into a prime (16398413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86 + ... + 5727.

It is an arithmetic number, because the mean of its divisors is an integer number (1302336).

Almost surely, 2^16398473 is an apocalyptic number.

16398473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16398473 is a deficient number, since it is larger than the sum of its proper divisors (4438903).

16398473 is a wasteful number, since it uses less digits than its factorization.

16398473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864.

The product of its digits is 108864, while the sum is 41.

The square root of 16398473 is about 4049.5028089878. The cubic root of 16398473 is about 254.0589329432.

The spelling of 16398473 in words is "sixteen million, three hundred ninety-eight thousand, four hundred seventy-three".