11420589 has 8 divisors (see below), whose sum is σ = 15244992. Its totient is φ = 7604960.

The previous prime is 11420579. The next prime is 11420611. The reversal of 11420589 is 98502411.

It is a happy number.

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 11420589 - 2⁴ = 11420573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420579) 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 7 ways as a sum of consecutive naturals, for example, 1984 + ... + 5174.

It is an arithmetic number, because the mean of its divisors is an integer number (1905624).

Almost surely, 2^11420589 is an apocalyptic number.

It is an amenable number.

11420589 is a deficient number, since it is larger than the sum of its proper divisors (3824403).

11420589 is a wasteful number, since it uses less digits than its factorization.

11420589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 11420589 is about 3379.4361955806. The cubic root of 11420589 is about 225.1971210802.

The spelling of 11420589 in words is "eleven million, four hundred twenty thousand, five hundred eighty-nine".