3549397420 has 24 divisors (see below), whose sum is σ = 7655188464. Its totient is φ = 1381386816.

The previous prime is 3549397409. The next prime is 3549397441. The reversal of 3549397420 is 247939453.

3549397420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2397502 + ... + 2398981.

It is an arithmetic number, because the mean of its divisors is an integer number (318966186).

Almost surely, 2^3549397420 is an apocalyptic number.

It is an amenable number.

3549397420 is an abundant number, since it is smaller than the sum of its proper divisors (4105791044).

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

3549397420 is a wasteful number, since it uses less digits than its factorization.

3549397420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796529 (or 4796527 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 46.

The square root of 3549397420 is about 59576.8194854341. The cubic root of 3549397420 is about 1525.4039843452.

The spelling of 3549397420 in words is "three billion, five hundred forty-nine million, three hundred ninety-seven thousand, four hundred twenty".