11837489 has 2 divisors, whose sum is σ = 11837490. Its totient is φ = 11837488.

The previous prime is 11837473. The next prime is 11837531. The reversal of 11837489 is 98473811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10349089 + 1488400 = 3217^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 11837489 - 2⁴ = 11837473 is a prime.

It is a super-2 number, since 2×11837489² = 280252291650242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11837429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5918744 + 5918745.

It is an arithmetic number, because the mean of its divisors is an integer number (5918745).

Almost surely, 2^11837489 is an apocalyptic number.

It is an amenable number.

11837489 is a deficient number, since it is larger than the sum of its proper divisors (1).

11837489 is an equidigital number, since it uses as much as digits as its factorization.

11837489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 11837489 is about 3440.5652151936. The cubic root of 11837489 is about 227.9046551687.

The spelling of 11837489 in words is "eleven million, eight hundred thirty-seven thousand, four hundred eighty-nine".