3028725 has 48 divisors (see below), whose sum is σ = 6368640. Its totient is φ = 1382400.

The previous prime is 3028721. The next prime is 3028747. The reversal of 3028725 is 5278203.

It is not a de Polignac number, because 3028725 - 2² = 3028721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4405 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (132680).

Almost surely, 2^3028725 is an apocalyptic number.

3028725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3028725 is an abundant number, since it is smaller than the sum of its proper divisors (3339915).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3028725 is a wasteful number, since it uses less digits than its factorization.

3028725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3028725 is about 1740.3232458368. The cubic root of 3028725 is about 144.6838136027.

The spelling of 3028725 in words is "three million, twenty-eight thousand, seven hundred twenty-five".