3423791988 has 18 divisors (see below), whose sum is σ = 8654585394. Its totient is φ = 1141263984.

The previous prime is 3423791971. The next prime is 3423791999. The reversal of 3423791988 is 8891973243.

3423791988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3074924304 + 348867684 = 55452^2 + 18678^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47552631 + ... + 47552702.

Almost surely, 2^3423791988 is an apocalyptic number.

It is an amenable number.

3423791988 is an abundant number, since it is smaller than the sum of its proper divisors (5230793406).

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

3423791988 is a wasteful number, since it uses less digits than its factorization.

3423791988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95105343 (or 95105338 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 3423791988 is about 58513.1779003670. The cubic root of 3423791988 is about 1507.1938861792.

The spelling of 3423791988 in words is "three billion, four hundred twenty-three million, seven hundred ninety-one thousand, nine hundred eighty-eight".