490361 has 8 divisors (see below), whose sum is σ = 522120. Its totient is φ = 459648.

The previous prime is 490339. The next prime is 490367. The reversal of 490361 is 163094.

It can be written as a sum of positive squares in 4 ways, for example, as 270400 + 219961 = 520^2 + 469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490361 - 2¹⁰ = 489337 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490361.

It is not an unprimeable number, because it can be changed into a prime (490367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845 + ... + 1301.

It is an arithmetic number, because the mean of its divisors is an integer number (65265).

2⁴⁹⁰³⁶¹ is an apocalyptic number.

It is an amenable number.

490361 is a deficient number, since it is larger than the sum of its proper divisors (31759).

490361 is a wasteful number, since it uses less digits than its factorization.

490361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 490361 is about 700.2578096673. The cubic root of 490361 is about 78.8567076158.

The spelling of 490361 in words is "four hundred ninety thousand, three hundred sixty-one".