3549493948 has 72 divisors (see below), whose sum is σ = 8489066544. Its totient is φ = 1276531200.

The previous prime is 3549493897. The next prime is 3549493991. The reversal of 3549493948 is 8493949453.

It is a junction number, because it is equal to n+sod(n) for n = 3549493892 and 3549493901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35293 + ... + 91348.

It is an arithmetic number, because the mean of its divisors is an integer number (117903702).

Almost surely, 2^3549493948 is an apocalyptic number.

It is an amenable number.

3549493948 is an abundant number, since it is smaller than the sum of its proper divisors (4939572596).

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

3549493948 is a wasteful number, since it uses less digits than its factorization.

3549493948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126683 (or 126674 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 58.

The square root of 3549493948 is about 59577.6295936654. The cubic root of 3549493948 is about 1525.4178123132.

The spelling of 3549493948 in words is "three billion, five hundred forty-nine million, four hundred ninety-three thousand, nine hundred forty-eight".