3960725431 has 16 divisors (see below), whose sum is σ = 4429756800. Its totient is φ = 3516162048.

The previous prime is 3960725429. The next prime is 3960725459. The reversal of 3960725431 is 1345270693.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3960725431 - 2¹ = 3960725429 is a prime.

It is a super-2 number, since 2×3960725431² = 31374691879540271522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960725411) 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, 76450 + ... + 117328.

It is an arithmetic number, because the mean of its divisors is an integer number (276859800).

Almost surely, 2^3960725431 is an apocalyptic number.

3960725431 is a deficient number, since it is larger than the sum of its proper divisors (469031369).

3960725431 is a wasteful number, since it uses less digits than its factorization.

3960725431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41178.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 3960725431 is about 62934.2945539235. The cubic root of 3960725431 is about 1582.1885804179.

The spelling of 3960725431 in words is "three billion, nine hundred sixty million, seven hundred twenty-five thousand, four hundred thirty-one".