2773404 has 36 divisors (see below), whose sum is σ = 7185360. Its totient is φ = 901440.

The previous prime is 2773403. The next prime is 2773439. The reversal of 2773404 is 4043772.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537 + ... + 2415.

2^2773404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2773404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3592680).

2773404 is an abundant number, since it is smaller than the sum of its proper divisors (4411956).

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

2773404 is a wasteful number, since it uses less digits than its factorization.

2773404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1925 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 2773404 is about 1665.3540164181. The cubic root of 2773404 is about 140.4982923852.

The spelling of 2773404 in words is "two million, seven hundred seventy-three thousand, four hundred four".