489402 has 48 divisors (see below), whose sum is σ = 1179360. Its totient is φ = 151632.

The previous prime is 489389. The next prime is 489407. The reversal of 489402 is 204984.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (489407) by changing a digit.

489402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9208 + ... + 9260.

It is an arithmetic number, because the mean of its divisors is an integer number (24570).

2⁴⁸⁹⁴⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589680).

489402 is an abundant number, since it is smaller than the sum of its proper divisors (689958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489402 is a wasteful number, since it uses less digits than its factorization.

489402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 489402 is about 699.5727267411. The cubic root of 489402 is about 78.8052673264.

The spelling of 489402 in words is "four hundred eighty-nine thousand, four hundred two".