3428907 has 4 divisors (see below), whose sum is σ = 4571880. Its totient is φ = 2285936.

The previous prime is 3428899. The next prime is 3428921. The reversal of 3428907 is 7098243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3428907 - 2³ = 3428899 is a prime.

It is an Ulam number.

It is a D-number.

3428907 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3428947) 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, 571482 + ... + 571487.

It is an arithmetic number, because the mean of its divisors is an integer number (1142970).

Almost surely, 2^3428907 is an apocalyptic number.

3428907 is a deficient number, since it is larger than the sum of its proper divisors (1142973).

3428907 is a wasteful number, since it uses less digits than its factorization.

3428907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142972.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 3428907 is about 1851.7308119702. The cubic root of 3428907 is about 150.7944075724.

The spelling of 3428907 in words is "three million, four hundred twenty-eight thousand, nine hundred seven".