2904823 has 8 divisors (see below), whose sum is σ = 2975616. Its totient is φ = 2835000.

The previous prime is 2904821. The next prime is 2904827. The reversal of 2904823 is 3284092.

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

It is a cyclic number.

It is not a de Polignac number, because 2904823 - 2¹ = 2904821 is a prime.

It is a super-2 number, since 2×2904823² = 16875993322658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2904791 and 2904800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2904821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11448 + ... + 11698.

It is an arithmetic number, because the mean of its divisors is an integer number (371952).

2^2904823 is an apocalyptic number.

2904823 is a deficient number, since it is larger than the sum of its proper divisors (70793).

2904823 is a wasteful number, since it uses less digits than its factorization.

2904823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2904823 is about 1704.3541298686. The cubic root of 2904823 is about 142.6833261715.

The spelling of 2904823 in words is "two million, nine hundred four thousand, eight hundred twenty-three".