2921028 has 24 divisors (see below), whose sum is σ = 7435680. Its totient is φ = 885120.

The previous prime is 2921027. The next prime is 2921029. The reversal of 2921028 is 8201292.

It is an interprime number because it is at equal distance from previous prime (2921027) and next prime (2921029).

It is a junction number, because it is equal to n+sod(n) for n = 2920989 and 2921007.

It is not an unprimeable number, because it can be changed into a prime (2921027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10933 + ... + 11196.

It is an arithmetic number, because the mean of its divisors is an integer number (309820).

2^2921028 is an apocalyptic number.

It is an amenable number.

2921028 is an abundant number, since it is smaller than the sum of its proper divisors (4514652).

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

2921028 is a wasteful number, since it uses less digits than its factorization.

2921028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22147 (or 22145 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2921028 is about 1709.1015183423. The cubic root of 2921028 is about 142.9481612354.

The spelling of 2921028 in words is "two million, nine hundred twenty-one thousand, twenty-eight".