3969490 has 24 divisors (see below), whose sum is σ = 8312652. Its totient is φ = 1360800.

The previous prime is 3969487. The next prime is 3969503. The reversal of 3969490 is 949693.

3969490 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 3598609 + 370881 = 1897^2 + 609^2 .

It is an unprimeable number.

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, 3561 + ... + 4540.

Almost surely, 2^3969490 is an apocalyptic number.

3969490 is an abundant number, since it is smaller than the sum of its proper divisors (4343162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3969490 is a wasteful number, since it uses less digits than its factorization.

3969490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122 (or 8115 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 3969490 is about 1992.3578995753. The cubic root of 3969490 is about 158.3354779642.

The spelling of 3969490 in words is "three million, nine hundred sixty-nine thousand, four hundred ninety".