3428815 has 32 divisors (see below), whose sum is σ = 4898880. Its totient is φ = 2279424.

The previous prime is 3428807. The next prime is 3428819. The reversal of 3428815 is 5188243.

It is a cyclic number.

It is not a de Polignac number, because 3428815 - 2³ = 3428807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31992 + ... + 32098.

It is an arithmetic number, because the mean of its divisors is an integer number (153090).

Almost surely, 2^3428815 is an apocalyptic number.

3428815 is a deficient number, since it is larger than the sum of its proper divisors (1470065).

3428815 is a wasteful number, since it uses less digits than its factorization.

3428815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171.

The product of its digits is 7680, while the sum is 31.

The square root of 3428815 is about 1851.7059701799. The cubic root of 3428815 is about 150.7930589201.

The spelling of 3428815 in words is "three million, four hundred twenty-eight thousand, eight hundred fifteen".