2447969 has 4 divisors (see below), whose sum is σ = 2489520. Its totient is φ = 2406420.

The previous prime is 2447953. The next prime is 2447971. The reversal of 2447969 is 9697442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9697442 = 2 ⋅4848721.

It is a cyclic number.

It is not a de Polignac number, because 2447969 - 2⁴ = 2447953 is a prime.

It is a super-2 number, since 2×2447969² = 11985104449922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 4⁶ + 4¹⁰ + 7⁷ + 9² + 6⁶ + 9³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2447369) 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, 20687 + ... + 20804.

It is an arithmetic number, because the mean of its divisors is an integer number (622380).

2^2447969 is an apocalyptic number.

It is an amenable number.

2447969 is a deficient number, since it is larger than the sum of its proper divisors (41551).

2447969 is an equidigital number, since it uses as much as digits as its factorization.

2447969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41550.

The product of its digits is 108864, while the sum is 41.

The square root of 2447969 is about 1564.5986705862. The cubic root of 2447969 is about 134.7727131178.

The spelling of 2447969 in words is "two million, four hundred forty-seven thousand, nine hundred sixty-nine".