2928669 has 8 divisors (see below), whose sum is σ = 3916320. Its totient is φ = 1946736.

The previous prime is 2928647. The next prime is 2928677. The reversal of 2928669 is 9668292.

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

It is not a de Polignac number, because 2928669 - 2¹² = 2924573 is a prime.

It is a super-2 number, since 2×2928669² = 17154204223122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

2928669 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2928669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928769) 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, 39 + ... + 2420.

It is an arithmetic number, because the mean of its divisors is an integer number (489540).

2^2928669 is an apocalyptic number.

It is an amenable number.

2928669 is a deficient number, since it is larger than the sum of its proper divisors (987651).

2928669 is a wasteful number, since it uses less digits than its factorization.

2928669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859.

The product of its digits is 93312, while the sum is 42.

The square root of 2928669 is about 1711.3354434476. The cubic root of 2928669 is about 143.0726968299.

The spelling of 2928669 in words is "two million, nine hundred twenty-eight thousand, six hundred sixty-nine".