2851628 has 48 divisors (see below), whose sum is σ = 5832960. Its totient is φ = 1209600.

The previous prime is 2851621. The next prime is 2851633. The reversal of 2851628 is 8261582.

It is a junction number, because it is equal to n+sod(n) for n = 2851594 and 2851603.

It is not an unprimeable number, because it can be changed into a prime (2851621) 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, 46718 + ... + 46778.

It is an arithmetic number, because the mean of its divisors is an integer number (121520).

2^2851628 is an apocalyptic number.

It is an amenable number.

2851628 is an abundant number, since it is smaller than the sum of its proper divisors (2981332).

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

2851628 is a wasteful number, since it uses less digits than its factorization.

2851628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 136 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 2851628 is about 1688.6764047620. The cubic root of 2851628 is about 141.8069850005.

The spelling of 2851628 in words is "two million, eight hundred fifty-one thousand, six hundred twenty-eight".