3955731 has 8 divisors (see below), whose sum is σ = 5680080. Its totient is φ = 2434272.

The previous prime is 3955727. The next prime is 3955733. The reversal of 3955731 is 1375593.

3955731 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 3955731 - 2² = 3955727 is a prime.

It is a super-2 number, since 2×3955731² = 31295615488722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3955692 and 3955701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50676 + ... + 50753.

It is an arithmetic number, because the mean of its divisors is an integer number (710010).

Almost surely, 2^3955731 is an apocalyptic number.

3955731 is a deficient number, since it is larger than the sum of its proper divisors (1724349).

3955731 is a wasteful number, since it uses less digits than its factorization.

3955731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101445.

The product of its digits is 14175, while the sum is 33.

The square root of 3955731 is about 1988.9019583680. The cubic root of 3955731 is about 158.1523259914.

The spelling of 3955731 in words is "three million, nine hundred fifty-five thousand, seven hundred thirty-one".