2647490 has 8 divisors (see below), whose sum is σ = 4765500. Its totient is φ = 1058992.

The previous prime is 2647481. The next prime is 2647499. The reversal of 2647490 is 947462.

It is an interprime number because it is at equal distance from previous prime (2647481) and next prime (2647499).

It can be written as a sum of positive squares in 2 ways, for example, as 2647129 + 361 = 1627^2 + 19^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2647499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132365 + ... + 132384.

2^2647490 is an apocalyptic number.

2647490 is a deficient number, since it is larger than the sum of its proper divisors (2118010).

2647490 is a wasteful number, since it uses less digits than its factorization.

2647490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264756.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2647490 is about 1627.1109365990. The cubic root of 2647490 is about 138.3390459085.

The spelling of 2647490 in words is "two million, six hundred forty-seven thousand, four hundred ninety".