3529890420 has 72 divisors (see below), whose sum is σ = 11497366944. Its totient is φ = 806831424.

The previous prime is 3529890379. The next prime is 3529890439. The reversal of 3529890420 is 240989253.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 597382 + ... + 603261.

It is an arithmetic number, because the mean of its divisors is an integer number (159685652).

Almost surely, 2^3529890420 is an apocalyptic number.

3529890420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3529890420 is an abundant number, since it is smaller than the sum of its proper divisors (7967476524).

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

3529890420 is a wasteful number, since it uses less digits than its factorization.

3529890420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200669 (or 1200660 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 3529890420 is about 59412.8809266139. The cubic root of 3529890420 is about 1522.6043791564.

The spelling of 3529890420 in words is "three billion, five hundred twenty-nine million, eight hundred ninety thousand, four hundred twenty".