1436241 has 4 divisors (see below), whose sum is σ = 1914992. Its totient is φ = 957492.

The previous prime is 1436231. The next prime is 1436249. The reversal of 1436241 is 1426341.

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 not a de Polignac number, because 1436241 - 2¹⁷ = 1305169 is a prime.

It is a D-number.

It is a Duffinian number.

1436241 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1436249) 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 3 ways as a sum of consecutive naturals, for example, 239371 + ... + 239376.

It is an arithmetic number, because the mean of its divisors is an integer number (478748).

2^1436241 is an apocalyptic number.

It is an amenable number.

1436241 is a deficient number, since it is larger than the sum of its proper divisors (478751).

1436241 is an equidigital number, since it uses as much as digits as its factorization.

1436241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478750.

The product of its digits is 576, while the sum is 21.

The square root of 1436241 is about 1198.4327265224. The cubic root of 1436241 is about 112.8259779965.

Subtracting from 1436241 its product of digits (576), we obtain a triangular number (1435665 = T₁₆₉₄).

The spelling of 1436241 in words is "one million, four hundred thirty-six thousand, two hundred forty-one".