4949457 has 4 divisors (see below), whose sum is σ = 6599280. Its totient is φ = 3299636.

The previous prime is 4949449. The next prime is 4949471. The reversal of 4949457 is 7549494.

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 a cyclic number.

It is not a de Polignac number, because 4949457 - 2³ = 4949449 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4949407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824907 + ... + 824912.

It is an arithmetic number, because the mean of its divisors is an integer number (1649820).

Almost surely, 2^4949457 is an apocalyptic number.

It is an amenable number.

4949457 is a deficient number, since it is larger than the sum of its proper divisors (1649823).

4949457 is a wasteful number, since it uses less digits than its factorization.

4949457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649822.

The product of its digits is 181440, while the sum is 42.

The square root of 4949457 is about 2224.7375126068. The cubic root of 4949457 is about 170.4194601307.

The spelling of 4949457 in words is "four million, nine hundred forty-nine thousand, four hundred fifty-seven".