3935431 has 4 divisors (see below), whose sum is σ = 4041832. Its totient is φ = 3829032.

The previous prime is 3935423. The next prime is 3935443. The reversal of 3935431 is 1345393.

3935431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3935431 - 2³ = 3935423 is a prime.

It is a super-2 number, since 2×3935431² = 30975234311522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3935431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3935411) 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 3 ways as a sum of consecutive naturals, for example, 53145 + ... + 53218.

It is an arithmetic number, because the mean of its divisors is an integer number (1010458).

Almost surely, 2^3935431 is an apocalyptic number.

3935431 is a deficient number, since it is larger than the sum of its proper divisors (106401).

3935431 is a wasteful number, since it uses less digits than its factorization.

3935431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106400.

The product of its digits is 4860, while the sum is 28.

The square root of 3935431 is about 1983.7920757983. The cubic root of 3935431 is about 157.8813267929.

The spelling of 3935431 in words is "three million, nine hundred thirty-five thousand, four hundred thirty-one".