492642 has 20 divisors (see below), whose sum is σ = 1104246. Its totient is φ = 164160.

The previous prime is 492641. The next prime is 492647. The reversal of 492642 is 246294.

It can be written as a sum of positive squares in only one way, i.e., 281961 + 210681 = 531^2 + 459^2 .

It is a super-2 number, since 2×492642² = 485392280328, which contains 22 as substring.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 492642.

It is not an unprimeable number, because it can be changed into a prime (492641) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1359 + ... + 1682.

2⁴⁹²⁶⁴² is an apocalyptic number.

492642 is an abundant number, since it is smaller than the sum of its proper divisors (611604).

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

492642 is a wasteful number, since it uses less digits than its factorization.

492642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055 (or 3046 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 492642 is about 701.8846059004. The cubic root of 492642 is about 78.9787904394.

The spelling of 492642 in words is "four hundred ninety-two thousand, six hundred forty-two".