3538521804 has 24 divisors (see below), whose sum is σ = 8257541040. Its totient is φ = 1179365824.

The previous prime is 3538521787. The next prime is 3538521809. The reversal of 3538521804 is 4081258353.

It is a super-2 number, since 2×3538521804² = 25042273114766828832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3538521809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150682 + ... + 172574.

It is an arithmetic number, because the mean of its divisors is an integer number (344064210).

Almost surely, 2^3538521804 is an apocalyptic number.

It is an amenable number.

3538521804 is an abundant number, since it is smaller than the sum of its proper divisors (4719019236).

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

3538521804 is a wasteful number, since it uses less digits than its factorization.

3538521804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35369 (or 35367 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 3538521804 is about 59485.4755717730. The cubic root of 3538521804 is about 1523.8444068596.

The spelling of 3538521804 in words is "three billion, five hundred thirty-eight million, five hundred twenty-one thousand, eight hundred four".