3990408253 has 16 divisors (see below), whose sum is σ = 4720222080. Its totient is φ = 3337861824.

The previous prime is 3990408251. The next prime is 3990408281. The reversal of 3990408253 is 3528040993.

It is a cyclic number.

It is not a de Polignac number, because 3990408253 - 2¹ = 3990408251 is a prime.

It is a super-2 number, since 2×3990408253² = 31846716051221024018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990408251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345526 + ... + 356887.

It is an arithmetic number, because the mean of its divisors is an integer number (295013880).

Almost surely, 2^3990408253 is an apocalyptic number.

It is an amenable number.

3990408253 is a deficient number, since it is larger than the sum of its proper divisors (729813827).

3990408253 is a wasteful number, since it uses less digits than its factorization.

3990408253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702468.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 3990408253 is about 63169.6782720951. The cubic root of 3990408253 is about 1586.1312073178.

The spelling of 3990408253 in words is "three billion, nine hundred ninety million, four hundred eight thousand, two hundred fifty-three".