16869485 has 4 divisors (see below), whose sum is σ = 20243388. Its totient is φ = 13495584.

The previous prime is 16869467. The next prime is 16869499. The reversal of 16869485 is 58496861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58496861 = 3209 ⋅18229.

It can be written as a sum of positive squares in 2 ways, for example, as 2709316 + 14160169 = 1646^2 + 3763^2 .

It is a cyclic number.

It is not a de Polignac number, because 16869485 - 2⁶ = 16869421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686944 + ... + 1686953.

It is an arithmetic number, because the mean of its divisors is an integer number (5060847).

Almost surely, 2^16869485 is an apocalyptic number.

It is an amenable number.

16869485 is a deficient number, since it is larger than the sum of its proper divisors (3373903).

16869485 is an equidigital number, since it uses as much as digits as its factorization.

16869485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373902.

The product of its digits is 414720, while the sum is 47.

The square root of 16869485 is about 4107.2478620117. The cubic root of 16869485 is about 256.4684466834.

The spelling of 16869485 in words is "sixteen million, eight hundred sixty-nine thousand, four hundred eighty-five".