3428125 has 12 divisors (see below), whose sum is σ = 4288788. Its totient is φ = 2740000.

The previous prime is 3428099. The next prime is 3428137. The reversal of 3428125 is 5218243.

It can be written as a sum of positive squares in 6 ways, for example, as 3090564 + 337561 = 1758^2 + 581^2 .

It is not a de Polignac number, because 3428125 - 2¹¹ = 3426077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3428125.

It is a congruent 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, 2577 + ... + 3673.

It is an arithmetic number, because the mean of its divisors is an integer number (357399).

Almost surely, 2^3428125 is an apocalyptic number.

It is an amenable number.

3428125 is a deficient number, since it is larger than the sum of its proper divisors (860663).

3428125 is an frugal number, since it uses more digits than its factorization.

3428125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1102 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 3428125 is about 1851.5196461286. The cubic root of 3428125 is about 150.7829432591.

It can be divided in two parts, 3428 and 125, that added together give a palindrome (3553).

The spelling of 3428125 in words is "three million, four hundred twenty-eight thousand, one hundred twenty-five".