2812428 has 24 divisors (see below), whose sum is σ = 7291760. Its totient is φ = 937440.

The previous prime is 2812423. The next prime is 2812441. The reversal of 2812428 is 8242182.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2812421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12913 + ... + 13128.

2^2812428 is an apocalyptic number.

It is an amenable number.

2812428 is an abundant number, since it is smaller than the sum of its proper divisors (4479332).

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

2812428 is a wasteful number, since it uses less digits than its factorization.

2812428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26054 (or 26046 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 2812428 is about 1677.0295167349. The cubic root of 2812428 is about 141.1541997958.

It can be divided in two parts, 2812 and 428, that added together give a triangular number (3240 = T₈₀).

The spelling of 2812428 in words is "two million, eight hundred twelve thousand, four hundred twenty-eight".