2647428 has 24 divisors (see below), whose sum is σ = 7060032. Its totient is φ = 756384.

The previous prime is 2647397. The next prime is 2647429. The reversal of 2647428 is 8247462.

2647428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2647429) 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, 15675 + ... + 15842.

It is an arithmetic number, because the mean of its divisors is an integer number (294168).

2^2647428 is an apocalyptic number.

2647428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2647428 is an abundant number, since it is smaller than the sum of its proper divisors (4412604).

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

2647428 is a wasteful number, since it uses less digits than its factorization.

2647428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31531 (or 31529 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 2647428 is about 1627.0918843139. The cubic root of 2647428 is about 138.3379660067.

The spelling of 2647428 in words is "two million, six hundred forty-seven thousand, four hundred twenty-eight".