490620 has 96 divisors (see below), whose sum is σ = 1608768. Its totient is φ = 110592.

The previous prime is 490619. The next prime is 490627. The reversal of 490620 is 26094.

490620 = T₁₄₄ + T₁₄₅ + ... + T₁₈₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13242 + ... + 13278.

It is an arithmetic number, because the mean of its divisors is an integer number (16758).

2⁴⁹⁰⁶²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804384).

490620 is an abundant number, since it is smaller than the sum of its proper divisors (1118148).

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

490620 is a wasteful number, since it uses less digits than its factorization.

490620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 490620 is about 700.4427171440. The cubic root of 490620 is about 78.8705887445.

The spelling of 490620 in words is "four hundred ninety thousand, six hundred twenty".