2949447 has 4 divisors (see below), whose sum is σ = 3932600. Its totient is φ = 1966296.

The previous prime is 2949421. The next prime is 2949461. The reversal of 2949447 is 7449492.

It is a happy number.

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

It is not a de Polignac number, because 2949447 - 2⁷ = 2949319 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 (2949467) 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, 491572 + ... + 491577.

It is an arithmetic number, because the mean of its divisors is an integer number (983150).

2^2949447 is an apocalyptic number.

2949447 is a deficient number, since it is larger than the sum of its proper divisors (983153).

2949447 is an equidigital number, since it uses as much as digits as its factorization.

2949447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983152.

The product of its digits is 72576, while the sum is 39.

The square root of 2949447 is about 1717.3954116627. The cubic root of 2949447 is about 143.4102519665.

The spelling of 2949447 in words is "two million, nine hundred forty-nine thousand, four hundred forty-seven".