3845931 has 8 divisors (see below), whose sum is σ = 5137920. Its totient is φ = 2558952.

The previous prime is 3845929. The next prime is 3845939. The reversal of 3845931 is 1395483.

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

It is not a de Polignac number, because 3845931 - 2¹ = 3845929 is a prime.

It is a super-2 number, since 2×3845931² = 29582370513522, which contains 22 as substring.

3845931 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3845892 and 3845901.

It is not an unprimeable number, because it can be changed into a prime (3845939) 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, 1266 + ... + 3048.

It is an arithmetic number, because the mean of its divisors is an integer number (642240).

Almost surely, 2^3845931 is an apocalyptic number.

3845931 is a deficient number, since it is larger than the sum of its proper divisors (1291989).

3845931 is a wasteful number, since it uses less digits than its factorization.

3845931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505.

The product of its digits is 12960, while the sum is 33.

The square root of 3845931 is about 1961.1045357145. The cubic root of 3845931 is about 156.6752859802.

The spelling of 3845931 in words is "three million, eight hundred forty-five thousand, nine hundred thirty-one".