2904866 has 4 divisors (see below), whose sum is σ = 4357302. Its totient is φ = 1452432.

The previous prime is 2904857. The next prime is 2904883. The reversal of 2904866 is 6684092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2146225 + 758641 = 1465^2 + 871^2 .

It is a plaindrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726215 + ... + 726218.

2^2904866 is an apocalyptic number.

2904866 is a deficient number, since it is larger than the sum of its proper divisors (1452436).

2904866 is a wasteful number, since it uses less digits than its factorization.

2904866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452435.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2904866 is about 1704.3667445711. The cubic root of 2904866 is about 142.6840302136.

The spelling of 2904866 in words is "two million, nine hundred four thousand, eight hundred sixty-six".