3445731 has 12 divisors (see below), whose sum is σ = 5029752. Its totient is φ = 2272896.

The previous prime is 3445723. The next prime is 3445753. The reversal of 3445731 is 1375443.

It is not a de Polignac number, because 3445731 - 2³ = 3445723 is a prime.

It is a super-2 number, since 2×3445731² = 23746124248722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3445695 and 3445704.

It is not an unprimeable number, because it can be changed into a prime (3445231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1101 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (419146).

Almost surely, 2^3445731 is an apocalyptic number.

3445731 is a deficient number, since it is larger than the sum of its proper divisors (1584021).

3445731 is a wasteful number, since it uses less digits than its factorization.

3445731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050 (or 4047 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 3445731 is about 1856.2680302155. The cubic root of 3445731 is about 151.0406305586.

The spelling of 3445731 in words is "three million, four hundred forty-five thousand, seven hundred thirty-one".