2447967 has 4 divisors (see below), whose sum is σ = 3263960. Its totient is φ = 1631976.

The previous prime is 2447953. The next prime is 2447971. The reversal of 2447967 is 7697442.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2447967 - 2¹² = 2443871 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407992 + ... + 407997.

It is an arithmetic number, because the mean of its divisors is an integer number (815990).

2^2447967 is an apocalyptic number.

2447967 is a deficient number, since it is larger than the sum of its proper divisors (815993).

2447967 is an equidigital number, since it uses as much as digits as its factorization.

2447967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815992.

The product of its digits is 84672, while the sum is 39.

The square root of 2447967 is about 1564.5980314445. The cubic root of 2447967 is about 134.7726764145.

The spelling of 2447967 in words is "two million, four hundred forty-seven thousand, nine hundred sixty-seven".