2845404 has 18 divisors (see below), whose sum is σ = 7192640. Its totient is φ = 948456.

The previous prime is 2845391. The next prime is 2845417. The reversal of 2845404 is 4045482.

It is an interprime number because it is at equal distance from previous prime (2845391) and next prime (2845417).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 39484 + ... + 39555.

2^2845404 is an apocalyptic number.

It is an amenable number.

2845404 is an abundant number, since it is smaller than the sum of its proper divisors (4347236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2845404 is a wasteful number, since it uses less digits than its factorization.

2845404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79049 (or 79044 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 2845404 is about 1686.8325346637. The cubic root of 2845404 is about 141.7037399321.

It can be divided in two parts, 2845 and 404, that added together give a square (3249 = 57²).

The spelling of 2845404 in words is "two million, eight hundred forty-five thousand, four hundred four".