2928636 has 72 divisors (see below), whose sum is σ = 8072064. Its totient is φ = 926640.

The previous prime is 2928581. The next prime is 2928647. The reversal of 2928636 is 6368292.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2928636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22291 + ... + 22421.

It is an arithmetic number, because the mean of its divisors is an integer number (112112).

2^2928636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2928636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4036032).

2928636 is an abundant number, since it is smaller than the sum of its proper divisors (5143428).

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

2928636 is a wasteful number, since it uses less digits than its factorization.

2928636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 159 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 2928636 is about 1711.3258018273. The cubic root of 2928636 is about 143.0721594508.

The spelling of 2928636 in words is "two million, nine hundred twenty-eight thousand, six hundred thirty-six".