3928692481 has 8 divisors (see below), whose sum is σ = 4519670144. Its totient is φ = 3345148800.

The previous prime is 3928692479. The next prime is 3928692517. The reversal of 3928692481 is 1842968293.

3928692481 is digitally balanced in base 3, 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 3928692481 - 2¹ = 3928692479 is a prime.

It is a super-2 number, since 2×3928692481² = 30869249220531870722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3928692181) 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, 1857360 + ... + 1859473.

It is an arithmetic number, because the mean of its divisors is an integer number (564958768).

Almost surely, 2^3928692481 is an apocalyptic number.

It is an amenable number.

3928692481 is a deficient number, since it is larger than the sum of its proper divisors (590977663).

3928692481 is a wasteful number, since it uses less digits than its factorization.

3928692481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716991.

The product of its digits is 1492992, while the sum is 52.

The square root of 3928692481 is about 62679.2827096801. The cubic root of 3928692481 is about 1577.9116351143.

The spelling of 3928692481 in words is "three billion, nine hundred twenty-eight million, six hundred ninety-two thousand, four hundred eighty-one".