2489747 has 4 divisors (see below), whose sum is σ = 2681280. Its totient is φ = 2298216.

The previous prime is 2489719. The next prime is 2489749. The reversal of 2489747 is 7479842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7479842 = 2 ⋅3739921.

It is a cyclic number.

It is not a de Polignac number, because 2489747 - 2⁸ = 2489491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2489749) 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, 95747 + ... + 95772.

It is an arithmetic number, because the mean of its divisors is an integer number (670320).

2^2489747 is an apocalyptic number.

2489747 is a deficient number, since it is larger than the sum of its proper divisors (191533).

2489747 is a wasteful number, since it uses less digits than its factorization.

2489747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191532.

The product of its digits is 112896, while the sum is 41.

The square root of 2489747 is about 1577.8932156518. The cubic root of 2489747 is about 135.5350871132.

The spelling of 2489747 in words is "two million, four hundred eighty-nine thousand, seven hundred forty-seven".