3949365226 has 8 divisors (see below), whose sum is σ = 5982702084. Its totient is φ = 1955131200.

The previous prime is 3949365223. The next prime is 3949365239. The reversal of 3949365226 is 6225639493.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3853305625 + 96059601 = 62075^2 + 9801^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3949365226.

It is not an unprimeable number, because it can be changed into a prime (3949365223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9775455 + ... + 9775858.

Almost surely, 2^3949365226 is an apocalyptic number.

3949365226 is a deficient number, since it is larger than the sum of its proper divisors (2033336858).

3949365226 is a wasteful number, since it uses less digits than its factorization.

3949365226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551416.

The product of its digits is 2099520, while the sum is 49.

The square root of 3949365226 is about 62843.9752561851. The cubic root of 3949365226 is about 1580.6744471462.

The spelling of 3949365226 in words is "three billion, nine hundred forty-nine million, three hundred sixty-five thousand, two hundred twenty-six".