1954089 has 6 divisors (see below), whose sum is σ = 2822586. Its totient is φ = 1302720.

The previous prime is 1954087. The next prime is 1954097. The reversal of 1954089 is 9804591.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 514089 = 1200^2 + 717^2 .

It is not a de Polignac number, because 1954089 - 2¹ = 1954087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108552 + ... + 108569.

It is an arithmetic number, because the mean of its divisors is an integer number (470431).

2^1954089 is an apocalyptic number.

It is an amenable number.

1954089 is a deficient number, since it is larger than the sum of its proper divisors (868497).

1954089 is a wasteful number, since it uses less digits than its factorization.

1954089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217127 (or 217124 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1954089 is about 1397.8873345159. The cubic root of 1954089 is about 125.0205619508.

The spelling of 1954089 in words is "one million, nine hundred fifty-four thousand, eighty-nine".