4028769684 has 48 divisors (see below), whose sum is σ = 11059372800. Its totient is φ = 1263927168.

The previous prime is 4028769683. The next prime is 4028769737. The reversal of 4028769684 is 4869678204.

4028769684 is a `hidden beast` number, since 402 + 8 + 76 + 96 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4028769684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028769683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095324 + ... + 1098995.

It is an arithmetic number, because the mean of its divisors is an integer number (230403600).

Almost surely, 2^4028769684 is an apocalyptic number.

It is an amenable number.

4028769684 is an abundant number, since it is smaller than the sum of its proper divisors (7030603116).

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

4028769684 is a wasteful number, since it uses less digits than its factorization.

4028769684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194349 (or 2194341 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 4028769684 is about 63472.5900212052. The cubic root of 4028769684 is about 1591.1977162824.

The spelling of 4028769684 in words is "four billion, twenty-eight million, seven hundred sixty-nine thousand, six hundred eighty-four".