490157 has 4 divisors (see below), whose sum is σ = 501600. Its totient is φ = 478716.

The previous prime is 490151. The next prime is 490159. The reversal of 490157 is 751094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 490157 - 2⁸ = 489901 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490151) 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 3 ways as a sum of consecutive naturals, for example, 5657 + ... + 5742.

It is an arithmetic number, because the mean of its divisors is an integer number (125400).

2⁴⁹⁰¹⁵⁷ is an apocalyptic number.

It is an amenable number.

490157 is a deficient number, since it is larger than the sum of its proper divisors (11443).

490157 is a wasteful number, since it uses less digits than its factorization.

490157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11442.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 490157 is about 700.1121338757. The cubic root of 490157 is about 78.8457707756.

The spelling of 490157 in words is "four hundred ninety thousand, one hundred fifty-seven".