17828045 has 8 divisors (see below), whose sum is σ = 21471480. Its totient is φ = 14210560.

The previous prime is 17828033. The next prime is 17828047. The reversal of 17828045 is 54082871.

It can be written as a sum of positive squares in 4 ways, for example, as 630436 + 17197609 = 794^2 + 4147^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-17828045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17827996 and 17828014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17828047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4940 + ... + 7749.

It is an arithmetic number, because the mean of its divisors is an integer number (2683935).

Almost surely, 2^17828045 is an apocalyptic number.

It is an amenable number.

17828045 is a deficient number, since it is larger than the sum of its proper divisors (3643435).

17828045 is a wasteful number, since it uses less digits than its factorization.

17828045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12975.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 17828045 is about 4222.3269650751. The cubic root of 17828045 is about 261.2369314983.

The spelling of 17828045 in words is "seventeen million, eight hundred twenty-eight thousand, forty-five".