3500197988 has 18 divisors (see below), whose sum is σ = 7125403446. Its totient is φ = 1500084768.

The previous prime is 3500197931. The next prime is 3500197999. The reversal of 3500197988 is 8897910053.

It can be written as a sum of positive squares in only one way, i.e., 3436069924 + 64128064 = 58618^2 + 8008^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8928881 + ... + 8929272.

It is an arithmetic number, because the mean of its divisors is an integer number (395855747).

Almost surely, 2^3500197988 is an apocalyptic number.

It is an amenable number.

3500197988 is an abundant number, since it is smaller than the sum of its proper divisors (3625205458).

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

3500197988 is a wasteful number, since it uses less digits than its factorization.

3500197988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17858171 (or 17858162 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 3500197988 is about 59162.4711113388. The cubic root of 3500197988 is about 1518.3231143588.

The spelling of 3500197988 in words is "three billion, five hundred million, one hundred ninety-seven thousand, nine hundred eighty-eight".