3995431 has 8 divisors (see below), whose sum is σ = 4460544. Its totient is φ = 3547320.

The previous prime is 3995429. The next prime is 3995437. The reversal of 3995431 is 1345993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3995431 - 2¹ = 3995429 is a prime.

It is a super-2 number, since 2×3995431² = 31926937751522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995437) 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, 3751 + ... + 4696.

It is an arithmetic number, because the mean of its divisors is an integer number (557568).

Almost surely, 2^3995431 is an apocalyptic number.

3995431 is a deficient number, since it is larger than the sum of its proper divisors (465113).

3995431 is a wasteful number, since it uses less digits than its factorization.

3995431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501.

The product of its digits is 14580, while the sum is 34.

The square root of 3995431 is about 1998.8574236298. The cubic root of 3995431 is about 158.6796418745.

The spelling of 3995431 in words is "three million, nine hundred ninety-five thousand, four hundred thirty-one".