490455 has 40 divisors (see below), whose sum is σ = 1010592. Its totient is φ = 222912.

The previous prime is 490453. The next prime is 490459. The reversal of 490455 is 554094.

It is not a de Polignac number, because 490455 - 2¹ = 490453 is a prime.

It is a super-2 number, since 2×490455² = 481092214050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

490455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490453) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2749 + ... + 2921.

2⁴⁹⁰⁴⁵⁵ is an apocalyptic number.

490455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

490455 is an abundant number, since it is smaller than the sum of its proper divisors (520137).

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

490455 is a wasteful number, since it uses less digits than its factorization.

490455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 490455 is about 700.3249245886. The cubic root of 490455 is about 78.8617461193.

The spelling of 490455 in words is "four hundred ninety thousand, four hundred fifty-five".