4951949 has 8 divisors (see below), whose sum is σ = 5079672. Its totient is φ = 4825600.

The previous prime is 4951943. The next prime is 4951963. The reversal of 4951949 is 9491594.

It is a happy number.

4951949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2010724 + 2941225 = 1418^2 + 1715^2 .

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 4951949 - 2¹² = 4947853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4951943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12149 + ... + 12549.

It is an arithmetic number, because the mean of its divisors is an integer number (634959).

Almost surely, 2^4951949 is an apocalyptic number.

It is an amenable number.

4951949 is a deficient number, since it is larger than the sum of its proper divisors (127723).

4951949 is a wasteful number, since it uses less digits than its factorization.

4951949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687.

The product of its digits is 58320, while the sum is 41.

The square root of 4951949 is about 2225.2975081997. The cubic root of 4951949 is about 170.4480568057.

The spelling of 4951949 in words is "four million, nine hundred fifty-one thousand, nine hundred forty-nine".