945439 has 8 divisors (see below), whose sum is σ = 1049040. Its totient is φ = 844800.

The previous prime is 945431. The next prime is 945457. The reversal of 945439 is 934549.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 945439 - 2³ = 945431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945431) 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, 34 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (131130).

2⁹⁴⁵⁴³⁹ is an apocalyptic number.

945439 is a deficient number, since it is larger than the sum of its proper divisors (103601).

945439 is a wasteful number, since it uses less digits than its factorization.

945439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481.

The product of its digits is 19440, while the sum is 34.

The square root of 945439 is about 972.3368757792. The cubic root of 945439 is about 98.1471827004.

The spelling of 945439 in words is "nine hundred forty-five thousand, four hundred thirty-nine".