2090530 has 24 divisors (see below), whose sum is σ = 4077972. Its totient is φ = 771264.

The previous prime is 2090509. The next prime is 2090567. The reversal of 2090530 is 350902.

It can be written as a sum of positive squares in 6 ways, for example, as 408321 + 1682209 = 639^2 + 1297^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2090498 and 2090507.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1072 + ... + 2308.

2^2090530 is an apocalyptic number.

2090530 is a deficient number, since it is larger than the sum of its proper divisors (1987442).

2090530 is a wasteful number, since it uses less digits than its factorization.

2090530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 2090530 is about 1445.8665221935. The cubic root of 2090530 is about 127.8651330126.

The spelling of 2090530 in words is "two million, ninety thousand, five hundred thirty".