4945449 has 4 divisors (see below), whose sum is σ = 6593936. Its totient is φ = 3296964.

The previous prime is 4945411. The next prime is 4945469. The reversal of 4945449 is 9445494.

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.

It is not a de Polignac number, because 4945449 - 2¹² = 4941353 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

4945449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4945469) 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, 824239 + ... + 824244.

It is an arithmetic number, because the mean of its divisors is an integer number (1648484).

Almost surely, 2^4945449 is an apocalyptic number.

It is an amenable number.

4945449 is a deficient number, since it is larger than the sum of its proper divisors (1648487).

4945449 is a wasteful number, since it uses less digits than its factorization.

4945449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648486.

The product of its digits is 103680, while the sum is 39.

The square root of 4945449 is about 2223.8365497491. The cubic root of 4945449 is about 170.3734466217.

The spelling of 4945449 in words is "four million, nine hundred forty-five thousand, four hundred forty-nine".