2949443 has 4 divisors (see below), whose sum is σ = 3370800. Its totient is φ = 2528088.

The previous prime is 2949421. The next prime is 2949461. The reversal of 2949443 is 3449492.

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

It is a cyclic number.

It is not a de Polignac number, because 2949443 - 2²⁰ = 1900867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2949403) 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, 210668 + ... + 210681.

It is an arithmetic number, because the mean of its divisors is an integer number (842700).

2^2949443 is an apocalyptic number.

2949443 is a deficient number, since it is larger than the sum of its proper divisors (421357).

2949443 is an equidigital number, since it uses as much as digits as its factorization.

2949443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421356.

The product of its digits is 31104, while the sum is 35.

The square root of 2949443 is about 1717.3942471081. The cubic root of 2949443 is about 143.4101871361.

The spelling of 2949443 in words is "two million, nine hundred forty-nine thousand, four hundred forty-three".