3990064419 has 18 divisors (see below), whose sum is σ = 6335007588. Its totient is φ = 2418220200.

The previous prime is 3990064387. The next prime is 3990064439. The reversal of 3990064419 is 9144600993.

It is not a de Polignac number, because 3990064419 - 2⁵ = 3990064387 is a prime.

It is a super-2 number, since 2×3990064419² = 31841228135539615122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3990064439) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1830897 + ... + 1833074.

It is an arithmetic number, because the mean of its divisors is an integer number (351944866).

Almost surely, 2^3990064419 is an apocalyptic number.

3990064419 is a deficient number, since it is larger than the sum of its proper divisors (2344943169).

3990064419 is a wasteful number, since it uses less digits than its factorization.

3990064419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663999 (or 3663985 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 3990064419 is about 63166.9567020606. The cubic root of 3990064419 is about 1586.0856496148.

The spelling of 3990064419 in words is "three billion, nine hundred ninety million, sixty-four thousand, four hundred nineteen".