942489 has 16 divisors (see below), whose sum is σ = 1419840. Its totient is φ = 617760.

The previous prime is 942479. The next prime is 942509. The reversal of 942489 is 984249.

It is a happy number.

942489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 942489 - 2¹² = 938393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (942439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (88740).

2⁹⁴²⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

942489 is a deficient number, since it is larger than the sum of its proper divisors (477351).

942489 is a wasteful number, since it uses less digits than its factorization.

942489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 591 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 942489 is about 970.8187266426. The cubic root of 942489 is about 98.0449953035.

It can be divided in two parts, 942 and 489, that added together give a triangular number (1431 = T₅₃).

The spelling of 942489 in words is "nine hundred forty-two thousand, four hundred eighty-nine".