2149359 has 4 divisors (see below), whose sum is σ = 2865816. Its totient is φ = 1432904.

The previous prime is 2149351. The next prime is 2149379. The reversal of 2149359 is 9539412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2149359 - 2³ = 2149351 is a prime.

It is a super-2 number, since 2×2149359² = 9239488221762, which contains 22 as substring.

It is a D-number.

2149359 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149351) 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 3 ways as a sum of consecutive naturals, for example, 358224 + ... + 358229.

It is an arithmetic number, because the mean of its divisors is an integer number (716454).

2^2149359 is an apocalyptic number.

2149359 is a deficient number, since it is larger than the sum of its proper divisors (716457).

2149359 is an equidigital number, since it uses as much as digits as its factorization.

2149359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716456.

The product of its digits is 9720, while the sum is 33.

The square root of 2149359 is about 1466.0692343815. The cubic root of 2149359 is about 129.0534602048.

The spelling of 2149359 in words is "two million, one hundred forty-nine thousand, three hundred fifty-nine".