4263949 has 4 divisors (see below), whose sum is σ = 4286236. Its totient is φ = 4241664.

The previous prime is 4263937. The next prime is 4263953. The reversal of 4263949 is 9493624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 1671849 = 1610^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 4263949 - 2¹⁹ = 3739661 is a prime.

It is a super-3 number, since 3×4263949³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a d-powerful number, because it can be written as 4⁸ + 2¹¹ + 6⁴ + 3³ + 9 + 4¹¹ + 9³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4263929) 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, 10854 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (1071559).

Almost surely, 2^4263949 is an apocalyptic number.

It is an amenable number.

4263949 is a deficient number, since it is larger than the sum of its proper divisors (22287).

4263949 is a wasteful number, since it uses less digits than its factorization.

4263949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22286.

The product of its digits is 46656, while the sum is 37.

The square root of 4263949 is about 2064.9331708314. The cubic root of 4263949 is about 162.1576096562.

The spelling of 4263949 in words is "four million, two hundred sixty-three thousand, nine hundred forty-nine".