494631 has 6 divisors (see below), whose sum is σ = 714480. Its totient is φ = 329748.

The previous prime is 494621. The next prime is 494639. The reversal of 494631 is 136494.

It is not a de Polignac number, because 494631 - 2⁶ = 494567 is a prime.

It is a super-2 number, since 2×494631² = 489319652322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 494595 and 494604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27471 + ... + 27488.

It is an arithmetic number, because the mean of its divisors is an integer number (119080).

2⁴⁹⁴⁶³¹ is an apocalyptic number.

494631 is a deficient number, since it is larger than the sum of its proper divisors (219849).

494631 is a wasteful number, since it uses less digits than its factorization.

494631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54965 (or 54962 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 494631 is about 703.3000782028. The cubic root of 494631 is about 79.0849377541.

The spelling of 494631 in words is "four hundred ninety-four thousand, six hundred thirty-one".