3378857 has 2 divisors, whose sum is σ = 3378858. Its totient is φ = 3378856.

The previous prime is 3378839. The next prime is 3378889. The reversal of 3378857 is 7588733.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2768896 + 609961 = 1664^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 3378857 - 2¹⁴ = 3362473 is a prime.

It is a super-2 number, since 2×3378857² = 22833349252898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3378157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1689428 + 1689429.

It is an arithmetic number, because the mean of its divisors is an integer number (1689429).

Almost surely, 2^3378857 is an apocalyptic number.

It is an amenable number.

3378857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3378857 is an equidigital number, since it uses as much as digits as its factorization.

3378857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 3378857 is about 1838.1667497809. The cubic root of 3378857 is about 150.0571189875.

The spelling of 3378857 in words is "three million, three hundred seventy-eight thousand, eight hundred fifty-seven".