3845431 has 8 divisors (see below), whose sum is σ = 3997728. Its totient is φ = 3696000.

The previous prime is 3845407. The next prime is 3845441. The reversal of 3845431 is 1345483.

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 3845431 - 2¹⁵ = 3812663 is a prime.

It is a super-2 number, since 2×3845431² = 29574679151522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3845431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845441) 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, 2251 + ... + 3571.

It is an arithmetic number, because the mean of its divisors is an integer number (499716).

Almost surely, 2^3845431 is an apocalyptic number.

3845431 is a deficient number, since it is larger than the sum of its proper divisors (152297).

3845431 is a wasteful number, since it uses less digits than its factorization.

3845431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433.

The product of its digits is 5760, while the sum is 28.

The square root of 3845431 is about 1960.9770523900. The cubic root of 3845431 is about 156.6684960301.

The spelling of 3845431 in words is "three million, eight hundred forty-five thousand, four hundred thirty-one".