2905428 has 12 divisors (see below), whose sum is σ = 6779360. Its totient is φ = 968472.

The previous prime is 2905421. The next prime is 2905433. The reversal of 2905428 is 8245092.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2905395 and 2905404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905421) 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, 121048 + ... + 121071.

2^2905428 is an apocalyptic number.

It is an amenable number.

2905428 is an abundant number, since it is smaller than the sum of its proper divisors (3873932).

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

2905428 is a wasteful number, since it uses less digits than its factorization.

2905428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242126 (or 242124 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2905428 is about 1704.5316072165. The cubic root of 2905428 is about 142.6932312409.

It can be divided in two parts, 2905 and 428, that added together give a palindrome (3333).

The spelling of 2905428 in words is "two million, nine hundred five thousand, four hundred twenty-eight".