492644 has 12 divisors (see below), whose sum is σ = 873600. Its totient is φ = 243048.

The previous prime is 492641. The next prime is 492647. The reversal of 492644 is 446294.

It is an interprime number because it is at equal distance from previous prime (492641) and next prime (492647).

It is a super-2 number, since 2×492644² = 485396221472, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 464 + ... + 1095.

It is an arithmetic number, because the mean of its divisors is an integer number (72800).

2⁴⁹²⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

492644 is a deficient number, since it is larger than the sum of its proper divisors (380956).

492644 is a wasteful number, since it uses less digits than its factorization.

492644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642 (or 1640 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 492644 is about 701.8860306346. The cubic root of 492644 is about 78.9788973171.

The spelling of 492644 in words is "four hundred ninety-two thousand, six hundred forty-four".