789249 has 4 divisors (see below), whose sum is σ = 1052336. Its totient is φ = 526164.

The previous prime is 789227. The next prime is 789251. The reversal of 789249 is 942987.

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, and also an emirpimes, since its reverse is a distinct semiprime: 942987 = 3 ⋅314329.

It is not a de Polignac number, because 789249 - 2⁷ = 789121 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (789149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131539 + ... + 131544.

It is an arithmetic number, because the mean of its divisors is an integer number (263084).

2⁷⁸⁹²⁴⁹ is an apocalyptic number.

It is an amenable number.

789249 is a deficient number, since it is larger than the sum of its proper divisors (263087).

789249 is a wasteful number, since it uses less digits than its factorization.

789249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263086.

The product of its digits is 36288, while the sum is 39.

The square root of 789249 is about 888.3968707734. The cubic root of 789249 is about 92.4140521347.

The spelling of 789249 in words is "seven hundred eighty-nine thousand, two hundred forty-nine".