2090649 has 8 divisors (see below), whose sum is σ = 3040992. Its totient is φ = 1267040.

The previous prime is 2090633. The next prime is 2090651. The reversal of 2090649 is 9460902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2090649 - 2⁴ = 2090633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2090689) 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, 31644 + ... + 31709.

It is an arithmetic number, because the mean of its divisors is an integer number (380124).

2^2090649 is an apocalyptic number.

It is an amenable number.

2090649 is a deficient number, since it is larger than the sum of its proper divisors (950343).

2090649 is a wasteful number, since it uses less digits than its factorization.

2090649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63367.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2090649 is about 1445.9076734010. The cubic root of 2090649 is about 127.8675591378.

The spelling of 2090649 in words is "two million, ninety thousand, six hundred forty-nine".