3894028765 has 8 divisors (see below), whose sum is σ = 5097637728. Its totient is φ = 2832020880.

The previous prime is 3894028763. The next prime is 3894028769. The reversal of 3894028765 is 5678204983.

3894028765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3894028765 - 2¹ = 3894028763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894028763) 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, 35400207 + ... + 35400316.

It is an arithmetic number, because the mean of its divisors is an integer number (637204716).

Almost surely, 2^3894028765 is an apocalyptic number.

It is an amenable number.

3894028765 is a deficient number, since it is larger than the sum of its proper divisors (1203608963).

3894028765 is a wasteful number, since it uses less digits than its factorization.

3894028765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70800539.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 3894028765 is about 62402.1535285442. The cubic root of 3894028765 is about 1573.2571654640.

The spelling of 3894028765 in words is "three billion, eight hundred ninety-four million, twenty-eight thousand, seven hundred sixty-five".