16863473 has 16 divisors (see below), whose sum is σ = 20113920. Its totient is φ = 13958400.

The previous prime is 16863461. The next prime is 16863481. The reversal of 16863473 is 37436861.

It is a cyclic number.

It is not a de Polignac number, because 16863473 - 2¹⁸ = 16601329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16863403) 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, 4343 + ... + 7251.

It is an arithmetic number, because the mean of its divisors is an integer number (1257120).

Almost surely, 2^16863473 is an apocalyptic number.

It is an amenable number.

16863473 is a deficient number, since it is larger than the sum of its proper divisors (3250447).

16863473 is a wasteful number, since it uses less digits than its factorization.

16863473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968.

The product of its digits is 72576, while the sum is 38.

The square root of 16863473 is about 4106.5159198523. The cubic root of 16863473 is about 256.4379760534.

The spelling of 16863473 in words is "sixteen million, eight hundred sixty-three thousand, four hundred seventy-three".