16929485 has 4 divisors (see below), whose sum is σ = 20315388. Its totient is φ = 13543584.

The previous prime is 16929443. The next prime is 16929509. The reversal of 16929485 is 58492961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58492961 = 61 ⋅958901.

It can be written as a sum of positive squares in 2 ways, for example, as 6360484 + 10569001 = 2522^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 16929485 - 2⁶ = 16929421 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, 1692944 + ... + 1692953.

It is an arithmetic number, because the mean of its divisors is an integer number (5078847).

Almost surely, 2^16929485 is an apocalyptic number.

It is an amenable number.

16929485 is a deficient number, since it is larger than the sum of its proper divisors (3385903).

16929485 is an equidigital number, since it uses as much as digits as its factorization.

16929485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385902.

The product of its digits is 155520, while the sum is 44.

The square root of 16929485 is about 4114.5455399108. The cubic root of 16929485 is about 256.7721488818.

The spelling of 16929485 in words is "sixteen million, nine hundred twenty-nine thousand, four hundred eighty-five".