2455647 has 8 divisors (see below), whose sum is σ = 3319344. Its totient is φ = 1614528.

The previous prime is 2455643. The next prime is 2455657. The reversal of 2455647 is 7465542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2455647 - 2² = 2455643 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 4 + 5³ + 5⁷ + 6⁷ + 4⁴ + 7² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5388 + ... + 5825.

It is an arithmetic number, because the mean of its divisors is an integer number (414918).

2^2455647 is an apocalyptic number.

2455647 is a deficient number, since it is larger than the sum of its proper divisors (863697).

2455647 is a wasteful number, since it uses less digits than its factorization.

2455647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11289.

The product of its digits is 33600, while the sum is 33.

The square root of 2455647 is about 1567.0504139944. The cubic root of 2455647 is about 134.9134699265.

The spelling of 2455647 in words is "two million, four hundred fifty-five thousand, six hundred forty-seven".