2641447 has 8 divisors (see below), whose sum is σ = 2762496. Its totient is φ = 2523192.

The previous prime is 2641433. The next prime is 2641451. The reversal of 2641447 is 7441462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2641447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641487) 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, 1368 + ... + 2674.

It is an arithmetic number, because the mean of its divisors is an integer number (345312).

2^2641447 is an apocalyptic number.

2641447 is a deficient number, since it is larger than the sum of its proper divisors (121049).

2641447 is a wasteful number, since it uses less digits than its factorization.

2641447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397.

The product of its digits is 5376, while the sum is 28.

The square root of 2641447 is about 1625.2529033969. The cubic root of 2641447 is about 138.2337109539.

It can be divided in two parts, 264 and 1447, that added together give a triangular number (1711 = T₅₈).

The spelling of 2641447 in words is "two million, six hundred forty-one thousand, four hundred forty-seven".