3992549406 has 16 divisors (see below), whose sum is σ = 7999288704. Its totient is φ = 1328484824.

The previous prime is 3992549383. The next prime is 3992549423. The reversal of 3992549406 is 6049452993.

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 7 ways as a sum of consecutive naturals, for example, 587586 + ... + 594341.

It is an arithmetic number, because the mean of its divisors is an integer number (499955544).

Almost surely, 2^3992549406 is an apocalyptic number.

3992549406 is an abundant number, since it is smaller than the sum of its proper divisors (4006739298).

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

3992549406 is a wasteful number, since it uses less digits than its factorization.

3992549406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182495.

The product of its (nonzero) digits is 2099520, while the sum is 51.

The square root of 3992549406 is about 63186.6236319049. The cubic root of 3992549406 is about 1586.4148493354.

The spelling of 3992549406 in words is "three billion, nine hundred ninety-two million, five hundred forty-nine thousand, four hundred six".