2090628 has 18 divisors (see below), whose sum is σ = 5284734. Its totient is φ = 696864.

The previous prime is 2090623. The next prime is 2090633. The reversal of 2090628 is 8260902.

It is an interprime number because it is at equal distance from previous prime (2090623) and next prime (2090633).

It can be written as a sum of positive squares in only one way, i.e., 1258884 + 831744 = 1122^2 + 912^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2090623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29001 + ... + 29072.

2^2090628 is an apocalyptic number.

It is an amenable number.

2090628 is an abundant number, since it is smaller than the sum of its proper divisors (3194106).

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

2090628 is a wasteful number, since it uses less digits than its factorization.

2090628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58083 (or 58078 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2090628 is about 1445.9004115083. The cubic root of 2090628 is about 127.8671310047.

The spelling of 2090628 in words is "two million, ninety thousand, six hundred twenty-eight".