3426557 has 2 divisors, whose sum is σ = 3426558. Its totient is φ = 3426556.

The previous prime is 3426529. The next prime is 3426559. The reversal of 3426557 is 7556243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3363556 + 63001 = 1834^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 3426557 - 2²⁰ = 2377981 is a prime.

Together with 3426559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3426559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713278 + 1713279.

It is an arithmetic number, because the mean of its divisors is an integer number (1713279).

Almost surely, 2^3426557 is an apocalyptic number.

It is an amenable number.

3426557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3426557 is an equidigital number, since it uses as much as digits as its factorization.

3426557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 32.

The square root of 3426557 is about 1851.0961617377. The cubic root of 3426557 is about 150.7599507378.

The spelling of 3426557 in words is "three million, four hundred twenty-six thousand, five hundred fifty-seven".