3951243 has 12 divisors (see below), whose sum is σ = 5829408. Its totient is φ = 2577840.

The previous prime is 3951209. The next prime is 3951247. The reversal of 3951243 is 3421593.

3951243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3951243 - 2⁶ = 3951179 is a prime.

It is a super-2 number, since 2×3951243² = 31224642490098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3951247) 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 11 ways as a sum of consecutive naturals, for example, 4248 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (485784).

Almost surely, 2^3951243 is an apocalyptic number.

3951243 is a deficient number, since it is larger than the sum of its proper divisors (1878165).

3951243 is a wasteful number, since it uses less digits than its factorization.

3951243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9394 (or 9391 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 3951243 is about 1987.7733774251. The cubic root of 3951243 is about 158.0924924452.

The spelling of 3951243 in words is "three million, nine hundred fifty-one thousand, two hundred forty-three".