3145628 has 6 divisors (see below), whose sum is σ = 5504856. Its totient is φ = 1572812.

The previous prime is 3145627. The next prime is 3145633. The reversal of 3145628 is 8265413.

It is a self number, because there is not a number n which added to its sum of digits gives 3145628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393200 + ... + 393207.

It is an arithmetic number, because the mean of its divisors is an integer number (917476).

Almost surely, 2^3145628 is an apocalyptic number.

It is an amenable number.

3145628 is a deficient number, since it is larger than the sum of its proper divisors (2359228).

3145628 is a wasteful number, since it uses less digits than its factorization.

3145628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786411 (or 786409 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 3145628 is about 1773.5918357954. The cubic root of 3145628 is about 146.5218704123.

It can be divided in two parts, 3145 and 628, that added together give a palindrome (3773).

The spelling of 3145628 in words is "three million, one hundred forty-five thousand, six hundred twenty-eight".