2090916 has 27 divisors (see below), whose sum is σ = 5307393. Its totient is φ = 694080.

The previous prime is 2090873. The next prime is 2090923. The reversal of 2090916 is 6190902.

It is a happy number.

The square root of 2090916 is 1446.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1572516 + 518400 = 1254^2 + 720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2090916.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8556 + ... + 8796.

2^2090916 is an apocalyptic number.

2090916 is the 1446-th square number.

It is an amenable number.

2090916 is an abundant number, since it is smaller than the sum of its proper divisors (3216477).

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

2090916 is a wasteful number, since it uses less digits than its factorization.

2090916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The cubic root of 2090916 is about 127.8730022936.

The spelling of 2090916 in words is "two million, ninety thousand, nine hundred sixteen".