3407857 has 2 divisors, whose sum is σ = 3407858. Its totient is φ = 3407856.

The previous prime is 3407851. The next prime is 3407881. The reversal of 3407857 is 7587043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2876416 + 531441 = 1696^2 + 729^2 .

It is an emirp because it is prime and its reverse (7587043) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3407857 is a prime.

It is a super-2 number, since 2×3407857² = 23226978664898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3407851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1703928 + 1703929.

It is an arithmetic number, because the mean of its divisors is an integer number (1703929).

Almost surely, 2^3407857 is an apocalyptic number.

It is an amenable number.

3407857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3407857 is an equidigital number, since it uses as much as digits as its factorization.

3407857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 3407857 is about 1846.0381902875. The cubic root of 3407857 is about 150.4851992229.

The spelling of 3407857 in words is "three million, four hundred seven thousand, eight hundred fifty-seven".