3913765428 has 24 divisors (see below), whose sum is σ = 9378934432. Its totient is φ = 1269329184.

The previous prime is 3913765423. The next prime is 3913765439. The reversal of 3913765428 is 8245673193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913765421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4406950 + ... + 4407837.

Almost surely, 2^3913765428 is an apocalyptic number.

It is an amenable number.

3913765428 is an abundant number, since it is smaller than the sum of its proper divisors (5465169004).

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

3913765428 is a wasteful number, since it uses less digits than its factorization.

3913765428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814831 (or 8814829 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 3913765428 is about 62560.0945331767. The cubic root of 3913765428 is about 1575.9106755570.

It can be divided in two parts, 3913765 and 428, that added together give a palindrome (3914193).

The spelling of 3913765428 in words is "three billion, nine hundred thirteen million, seven hundred sixty-five thousand, four hundred twenty-eight".