2279647 has 8 divisors (see below), whose sum is σ = 2373632. Its totient is φ = 2187000.

The previous prime is 2279633. The next prime is 2279653. The reversal of 2279647 is 7469722.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2279647 - 2¹⁹ = 1755359 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 (2279617) 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, 4438 + ... + 4924.

It is an arithmetic number, because the mean of its divisors is an integer number (296704).

2^2279647 is an apocalyptic number.

2279647 is a deficient number, since it is larger than the sum of its proper divisors (93985).

2279647 is a wasteful number, since it uses less digits than its factorization.

2279647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669.

The product of its digits is 42336, while the sum is 37.

The square root of 2279647 is about 1509.8499925489. The cubic root of 2279647 is about 131.6100944453.

It can be divided in two parts, 2279 and 647, that added together give a triangular number (2926 = T₇₆).

The spelling of 2279647 in words is "two million, two hundred seventy-nine thousand, six hundred forty-seven".