3128622 has 32 divisors (see below), whose sum is σ = 7210752. Its totient is φ = 886464.

The previous prime is 3128611. The next prime is 3128623. The reversal of 3128622 is 2268213.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3128592 and 3128601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6618 + ... + 7074.

It is an arithmetic number, because the mean of its divisors is an integer number (225336).

Almost surely, 2^3128622 is an apocalyptic number.

3128622 is an abundant number, since it is smaller than the sum of its proper divisors (4082130).

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

3128622 is a wasteful number, since it uses less digits than its factorization.

3128622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its digits is 1152, while the sum is 24.

The square root of 3128622 is about 1768.7911125964. The cubic root of 3128622 is about 146.2573493275.

The spelling of 3128622 in words is "three million, one hundred twenty-eight thousand, six hundred twenty-two".