3557849838 has 32 divisors (see below), whose sum is σ = 7208611200. Its totient is φ = 1170564576.

The previous prime is 3557849809. The next prime is 3557849857. The reversal of 3557849838 is 8389487553.

3557849838 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131953 + ... + 156611.

It is an arithmetic number, because the mean of its divisors is an integer number (225269100).

Almost surely, 2^3557849838 is an apocalyptic number.

3557849838 is an abundant number, since it is smaller than the sum of its proper divisors (3650761362).

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

3557849838 is a wasteful number, since it uses less digits than its factorization.

3557849838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24976.

The product of its digits is 29030400, while the sum is 60.

The square root of 3557849838 is about 59647.7144407059. The cubic root of 3557849838 is about 1526.6138733759.

The spelling of 3557849838 in words is "three billion, five hundred fifty-seven million, eight hundred forty-nine thousand, eight hundred thirty-eight".