3928735860 has 48 divisors (see below), whose sum is σ = 12571956096. Its totient is φ = 897996672.

The previous prime is 3928735847. The next prime is 3928735873. The reversal of 3928735860 is 685378293.

It is an interprime number because it is at equal distance from previous prime (3928735847) and next prime (3928735873).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4676647 + ... + 4677486.

It is an arithmetic number, because the mean of its divisors is an integer number (261915752).

Almost surely, 2^3928735860 is an apocalyptic number.

3928735860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3928735860 is an abundant number, since it is smaller than the sum of its proper divisors (8643220236).

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

3928735860 is a wasteful number, since it uses less digits than its factorization.

3928735860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9354152 (or 9354150 counting only the distinct ones).

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

The square root of 3928735860 is about 62679.6287481028. The cubic root of 3928735860 is about 1577.9174426425.

The spelling of 3928735860 in words is "three billion, nine hundred twenty-eight million, seven hundred thirty-five thousand, eight hundred sixty".