3449731 has 2 divisors, whose sum is σ = 3449732. Its totient is φ = 3449730.

The previous prime is 3449723. The next prime is 3449737. The reversal of 3449731 is 1379443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3449731 - 2³ = 3449723 is a prime.

It is a super-2 number, since 2×3449731² = 23801287944722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3449693 and 3449702.

It is not a weakly prime, because it can be changed into another prime (3449737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1724865 + 1724866.

It is an arithmetic number, because the mean of its divisors is an integer number (1724866).

Almost surely, 2^3449731 is an apocalyptic number.

3449731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3449731 is an equidigital number, since it uses as much as digits as its factorization.

3449731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 3449731 is about 1857.3451483233. The cubic root of 3449731 is about 151.0990534681.

The spelling of 3449731 in words is "three million, four hundred forty-nine thousand, seven hundred thirty-one".