3964023481 has 8 divisors (see below), whose sum is σ = 4512406464. Its totient is φ = 3446976720.

The previous prime is 3964023473. The next prime is 3964023493. The reversal of 3964023481 is 1843204693.

It is a happy number.

3964023481 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 3964023481 - 2³ = 3964023473 is a prime.

It is a super-2 number, since 2×3964023481² = 31426964315838714722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3964023431) 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, 7833786 + ... + 7834291.

It is an arithmetic number, because the mean of its divisors is an integer number (564050808).

Almost surely, 2^3964023481 is an apocalyptic number.

It is an amenable number.

3964023481 is a deficient number, since it is larger than the sum of its proper divisors (548382983).

3964023481 is a wasteful number, since it uses less digits than its factorization.

3964023481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15668111.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 3964023481 is about 62960.4914291494. The cubic root of 3964023481 is about 1582.6276152570.

The spelling of 3964023481 in words is "three billion, nine hundred sixty-four million, twenty-three thousand, four hundred eighty-one".