3428915 has 12 divisors (see below), whose sum is σ = 4717584. Its totient is φ = 2343744.

The previous prime is 3428899. The next prime is 3428921. The reversal of 3428915 is 5198243.

It is not a de Polignac number, because 3428915 - 2⁴ = 3428899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10799 + ... + 11111.

It is an arithmetic number, because the mean of its divisors is an integer number (393132).

Almost surely, 2^3428915 is an apocalyptic number.

3428915 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3428915 is a deficient number, since it is larger than the sum of its proper divisors (1288669).

3428915 is an frugal number, since it uses more digits than its factorization.

3428915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 325 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 3428915 is about 1851.7329721102. The cubic root of 3428915 is about 150.7945248454.

The spelling of 3428915 in words is "three million, four hundred twenty-eight thousand, nine hundred fifteen".