2904481 has 4 divisors (see below), whose sum is σ = 2975364. Its totient is φ = 2833600.

The previous prime is 2904469. The next prime is 2904487. The reversal of 2904481 is 1844092.

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

It can be written as a sum of positive squares in 2 ways, for example, as 654481 + 2250000 = 809^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2904481 - 2⁷ = 2904353 is a prime.

It is a super-2 number, since 2×2904481² = 16872019758722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2904487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35380 + ... + 35461.

It is an arithmetic number, because the mean of its divisors is an integer number (743841).

2^2904481 is an apocalyptic number.

It is an amenable number.

2904481 is a deficient number, since it is larger than the sum of its proper divisors (70883).

2904481 is an equidigital number, since it uses as much as digits as its factorization.

2904481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70882.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2904481 is about 1704.2537956537. The cubic root of 2904481 is about 142.6777263337.

The spelling of 2904481 in words is "two million, nine hundred four thousand, four hundred eighty-one".