3990510 has 48 divisors (see below), whose sum is σ = 10501920. Its totient is φ = 1051200.

The previous prime is 3990509. The next prime is 3990521. The reversal of 3990510 is 150993.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8871 + ... + 9309.

It is an arithmetic number, because the mean of its divisors is an integer number (218790).

Almost surely, 2^3990510 is an apocalyptic number.

3990510 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3990510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5250960).

3990510 is an abundant number, since it is smaller than the sum of its proper divisors (6511410).

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

3990510 is a wasteful number, since it uses less digits than its factorization.

3990510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 3990510 is about 1997.6260911392. The cubic root of 3990510 is about 158.6144688204.

Adding to 3990510 its product of nonzero digits (1215), we get a triangular number (3991725 = T₂₈₂₅).

The spelling of 3990510 in words is "three million, nine hundred ninety thousand, five hundred ten".