3491331338 has 48 divisors (see below), whose sum is σ = 5860942920. Its totient is φ = 1558402560.

The previous prime is 3491331323. The next prime is 3491331457. The reversal of 3491331338 is 8331331943.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2392872889 + 1098458449 = 48917^2 + 33143^2 .

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, 3725606 + ... + 3726542.

Almost surely, 2^3491331338 is an apocalyptic number.

3491331338 is a deficient number, since it is larger than the sum of its proper divisors (2369611582).

3491331338 is a wasteful number, since it uses less digits than its factorization.

3491331338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1212 counting only the distinct ones).

The product of its digits is 69984, while the sum is 38.

The square root of 3491331338 is about 59087.4888449323. The cubic root of 3491331338 is about 1517.0399656788.

The spelling of 3491331338 in words is "three billion, four hundred ninety-one million, three hundred thirty-one thousand, three hundred thirty-eight".