3990253 has 8 divisors (see below), whose sum is σ = 4134528. Its totient is φ = 3848544.

The previous prime is 3990251. The next prime is 3990269. The reversal of 3990253 is 3520993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3990253 - 2¹ = 3990251 is a prime.

It is a Duffinian number.

3990253 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2850 + ... + 4012.

It is an arithmetic number, because the mean of its divisors is an integer number (516816).

Almost surely, 2^3990253 is an apocalyptic number.

It is an amenable number.

3990253 is a deficient number, since it is larger than the sum of its proper divisors (144275).

3990253 is a wasteful number, since it uses less digits than its factorization.

3990253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 3990253 is about 1997.5617637510. The cubic root of 3990253 is about 158.6110636756.

The spelling of 3990253 in words is "three million, nine hundred ninety thousand, two hundred fifty-three".