4939649 has 8 divisors (see below), whose sum is σ = 5803392. Its totient is φ = 4145040.

The previous prime is 4939637. The next prime is 4939661. The reversal of 4939649 is 9469394.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4939637) and next prime (4939661).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4939649 - 2¹⁶ = 4874113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4939609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17129 + ... + 17414.

It is an arithmetic number, because the mean of its divisors is an integer number (725424).

Almost surely, 2^4939649 is an apocalyptic number.

It is an amenable number.

4939649 is a deficient number, since it is larger than the sum of its proper divisors (863743).

4939649 is a wasteful number, since it uses less digits than its factorization.

4939649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34567.

The product of its digits is 209952, while the sum is 44.

The square root of 4939649 is about 2222.5321145036. The cubic root of 4939649 is about 170.3068161670.

The spelling of 4939649 in words is "four million, nine hundred thirty-nine thousand, six hundred forty-nine".