3989450 has 24 divisors (see below), whose sum is σ = 7528908. Its totient is φ = 1572480.

The previous prime is 3989437. The next prime is 3989467. The reversal of 3989450 is 549893.

It can be written as a sum of positive squares in 6 ways, for example, as 2859481 + 1129969 = 1691^2 + 1063^2 .

It is a super-2 number, since 2×3989450² = 31831422605000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3104 + ... + 4196.

Almost surely, 2^3989450 is an apocalyptic number.

3989450 is a deficient number, since it is larger than the sum of its proper divisors (3539458).

3989450 is a wasteful number, since it uses less digits than its factorization.

3989450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 3989450 is about 1997.3607586012. The cubic root of 3989450 is about 158.6004233119.

The spelling of 3989450 in words is "three million, nine hundred eighty-nine thousand, four hundred fifty".