3549994388 has 24 divisors (see below), whose sum is σ = 6415739904. Its totient is φ = 1716976800.

The previous prime is 3549994379. The next prime is 3549994421. The reversal of 3549994388 is 8834999453.

It is a happy number.

3549994388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 3549994388.

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, 358058 + ... + 367838.

It is an arithmetic number, because the mean of its divisors is an integer number (267322496).

Almost surely, 2^3549994388 is an apocalyptic number.

It is an amenable number.

3549994388 is a deficient number, since it is larger than the sum of its proper divisors (2865745516).

3549994388 is a wasteful number, since it uses less digits than its factorization.

3549994388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743 (or 12741 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 62.

The square root of 3549994388 is about 59581.8293441885. The cubic root of 3549994388 is about 1525.4894980453.

The spelling of 3549994388 in words is "three billion, five hundred forty-nine million, nine hundred ninety-four thousand, three hundred eighty-eight".