11401489 has 4 divisors (see below), whose sum is σ = 12438000. Its totient is φ = 10364980.

The previous prime is 11401487. The next prime is 11401549. The reversal of 11401489 is 98410411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11401489 - 2¹ = 11401487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11401483) 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, 518239 + ... + 518260.

It is an arithmetic number, because the mean of its divisors is an integer number (3109500).

Almost surely, 2^11401489 is an apocalyptic number.

It is an amenable number.

11401489 is a deficient number, since it is larger than the sum of its proper divisors (1036511).

11401489 is a wasteful number, since it uses less digits than its factorization.

11401489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036510.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11401489 is about 3376.6090978969. The cubic root of 11401489 is about 225.0715097806.

The spelling of 11401489 in words is "eleven million, four hundred one thousand, four hundred eighty-nine".