3896735028 has 12 divisors (see below), whose sum is σ = 9092381760. Its totient is φ = 1298911672.

The previous prime is 3896735027. The next prime is 3896735033. The reversal of 3896735028 is 8205376983.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3896735021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162363948 + ... + 162363971.

It is an arithmetic number, because the mean of its divisors is an integer number (757698480).

Almost surely, 2^3896735028 is an apocalyptic number.

It is an amenable number.

3896735028 is an abundant number, since it is smaller than the sum of its proper divisors (5195646732).

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

3896735028 is a wasteful number, since it uses less digits than its factorization.

3896735028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324727926 (or 324727924 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 3896735028 is about 62423.8338136965. The cubic root of 3896735028 is about 1573.6215405941.

The spelling of 3896735028 in words is "three billion, eight hundred ninety-six million, seven hundred thirty-five thousand, twenty-eight".