2794428 has 72 divisors (see below), whose sum is σ = 8703968. Its totient is φ = 736128.

The previous prime is 2794427. The next prime is 2794439. The reversal of 2794428 is 8244972.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2794392 and 2794401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2794427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2850 + ... + 3702.

2^2794428 is an apocalyptic number.

2794428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2794428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4351984).

2794428 is an abundant number, since it is smaller than the sum of its proper divisors (5909540).

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

2794428 is a wasteful number, since it uses less digits than its factorization.

2794428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 878 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2794428 is about 1671.6542704758. The cubic root of 2794428 is about 140.8524183917.

It can be divided in two parts, 27944 and 28, that added together give a palindrome (27972).

The spelling of 2794428 in words is "two million, seven hundred ninety-four thousand, four hundred twenty-eight".