3494857 has 2 divisors, whose sum is σ = 3494858. Its totient is φ = 3494856.

The previous prime is 3494851. The next prime is 3494861. The reversal of 3494857 is 7584943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3111696 + 383161 = 1764^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 3494857 - 2³ = 3494849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3494851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1747428 + 1747429.

It is an arithmetic number, because the mean of its divisors is an integer number (1747429).

Almost surely, 2^3494857 is an apocalyptic number.

It is an amenable number.

3494857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3494857 is an equidigital number, since it uses as much as digits as its factorization.

3494857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 3494857 is about 1869.4536635071. The cubic root of 3494857 is about 151.7550446282.

The spelling of 3494857 in words is "three million, four hundred ninety-four thousand, eight hundred fifty-seven".