3949250 has 16 divisors (see below), whose sum is σ = 7393464. Its totient is φ = 1579600.

The previous prime is 3949247. The next prime is 3949271. The reversal of 3949250 is 529493.

It can be written as a sum of positive squares in 4 ways, for example, as 1605289 + 2343961 = 1267^2 + 1531^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7649 + ... + 8148.

Almost surely, 2^3949250 is an apocalyptic number.

3949250 is a deficient number, since it is larger than the sum of its proper divisors (3444214).

3949250 is a wasteful number, since it uses less digits than its factorization.

3949250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15814 (or 15804 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 3949250 is about 1987.2719995008. The cubic root of 3949250 is about 158.0659074501.

The spelling of 3949250 in words is "three million, nine hundred forty-nine thousand, two hundred fifty".