2058309 has 24 divisors (see below), whose sum is σ = 3436992. Its totient is φ = 1173120.

The previous prime is 2058299. The next prime is 2058311. The reversal of 2058309 is 9038502.

It is not a de Polignac number, because 2058309 - 2¹⁹ = 1534021 is a prime.

2058309 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2058379) 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 23 ways as a sum of consecutive naturals, for example, 1072 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (143208).

2^2058309 is an apocalyptic number.

It is an amenable number.

2058309 is a deficient number, since it is larger than the sum of its proper divisors (1378683).

2058309 is a wasteful number, since it uses less digits than its factorization.

2058309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2058309 is about 1434.6808007358. The cubic root of 2058309 is about 127.2048072824.

The spelling of 2058309 in words is "two million, fifty-eight thousand, three hundred nine".