2090154 has 24 divisors (see below), whose sum is σ = 4596480. Its totient is φ = 633160.

The previous prime is 2090147. The next prime is 2090159. The reversal of 2090154 is 4510902.

It is a self number, because there is not a number n which added to its sum of digits gives 2090154.

It is not an unprimeable number, because it can be changed into a prime (2090159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 714 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

2^2090154 is an apocalyptic number.

2090154 is an abundant number, since it is smaller than the sum of its proper divisors (2506326).

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

2090154 is a wasteful number, since it uses less digits than its factorization.

2090154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906 (or 2895 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2090154 is about 1445.7364905127. The cubic root of 2090154 is about 127.8574666676.

The spelling of 2090154 in words is "two million, ninety thousand, one hundred fifty-four".