2647420 has 12 divisors (see below), whose sum is σ = 5559624. Its totient is φ = 1058960.

The previous prime is 2647397. The next prime is 2647429. The reversal of 2647420 is 247462.

2647420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2647429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66166 + ... + 66205.

It is an arithmetic number, because the mean of its divisors is an integer number (463302).

2^2647420 is an apocalyptic number.

2647420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2647420 is an abundant number, since it is smaller than the sum of its proper divisors (2912204).

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

2647420 is a wasteful number, since it uses less digits than its factorization.

2647420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132380 (or 132378 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2647420 is about 1627.0894259382. The cubic root of 2647420 is about 138.3378266633.

The spelling of 2647420 in words is "two million, six hundred forty-seven thousand, four hundred twenty".