3428557 has 4 divisors (see below), whose sum is σ = 3740256. Its totient is φ = 3116860.

The previous prime is 3428501. The next prime is 3428563. The reversal of 3428557 is 7558243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3428557 - 2¹¹ = 3426509 is a prime.

It is a Duffinian number.

3428557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155833 + ... + 155854.

It is an arithmetic number, because the mean of its divisors is an integer number (935064).

Almost surely, 2^3428557 is an apocalyptic number.

It is an amenable number.

3428557 is a deficient number, since it is larger than the sum of its proper divisors (311699).

3428557 is a wasteful number, since it uses less digits than its factorization.

3428557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311698.

The product of its digits is 33600, while the sum is 34.

The square root of 3428557 is about 1851.6363033814. The cubic root of 3428557 is about 150.7892767014.

The spelling of 3428557 in words is "three million, four hundred twenty-eight thousand, five hundred fifty-seven".