4949897 has 4 divisors (see below), whose sum is σ = 5083716. Its totient is φ = 4816080.

The previous prime is 4949891. The next prime is 4949921. The reversal of 4949897 is 7989494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7989494 = 2 ⋅3994747.

It can be written as a sum of positive squares in 2 ways, for example, as 4343056 + 606841 = 2084^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 4949897 - 2⁴ = 4949881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4949891) 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, 66854 + ... + 66927.

It is an arithmetic number, because the mean of its divisors is an integer number (1270929).

Almost surely, 2^4949897 is an apocalyptic number.

It is an amenable number.

4949897 is a deficient number, since it is larger than the sum of its proper divisors (133819).

4949897 is a wasteful number, since it uses less digits than its factorization.

4949897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133818.

The product of its digits is 653184, while the sum is 50.

The square root of 4949897 is about 2224.8363984797. The cubic root of 4949897 is about 170.4245100005.

The spelling of 4949897 in words is "four million, nine hundred forty-nine thousand, eight hundred ninety-seven".