3949018 has 8 divisors (see below), whose sum is σ = 6020820. Its totient is φ = 1942080.

The previous prime is 3949013. The next prime is 3949027. The reversal of 3949018 is 8109493.

3949018 is digitally balanced in base 2, 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 2 ways, for example, as 2732409 + 1216609 = 1653^2 + 1103^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3949013) 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, 16063 + ... + 16306.

Almost surely, 2^3949018 is an apocalyptic number.

3949018 is a deficient number, since it is larger than the sum of its proper divisors (2071802).

3949018 is a wasteful number, since it uses less digits than its factorization.

3949018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32432.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 3949018 is about 1987.2136271674. The cubic root of 3949018 is about 158.0628121782.

The spelling of 3949018 in words is "three million, nine hundred forty-nine thousand, eighteen".