491010 has 32 divisors (see below), whose sum is σ = 1270080. Its totient is φ = 120768.

The previous prime is 491003. The next prime is 491039. The reversal of 491010 is 10194.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240 + ... + 1019.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2⁴⁹¹⁰¹⁰ is an apocalyptic number.

491010 is an abundant number, since it is smaller than the sum of its proper divisors (779070).

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

491010 is a wasteful number, since it uses less digits than its factorization.

491010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 491010 is about 700.7210571975. The cubic root of 491010 is about 78.8914816167.

The spelling of 491010 in words is "four hundred ninety-one thousand, ten".