3990464 has 14 divisors (see below), whose sum is σ = 7918704. Its totient is φ = 1995200.

The previous prime is 3990463. The next prime is 3990473. The reversal of 3990464 is 4640993.

It is a happy number.

3990464 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990463) 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 as a sum of consecutive naturals, namely, 31112 + ... + 31239.

Almost surely, 2^3990464 is an apocalyptic number.

It is an amenable number.

3990464 is a deficient number, since it is larger than the sum of its proper divisors (3928240).

3990464 is an equidigital number, since it uses as much as digits as its factorization.

3990464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62363 (or 62353 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 3990464 is about 1997.6145774398. The cubic root of 3990464 is about 158.6138593500.

The spelling of 3990464 in words is "three million, nine hundred ninety thousand, four hundred sixty-four".