490549247 has 4 divisors (see below), whose sum is σ = 490820160. Its totient is φ = 490278336.

The previous prime is 490549231. The next prime is 490549271. The reversal of 490549247 is 742945094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 490549247 - 2⁴ = 490549231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490549198 and 490549207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490549217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132722 + ... + 136367.

It is an arithmetic number, because the mean of its divisors is an integer number (122705040).

Almost surely, 2^490549247 is an apocalyptic number.

490549247 is a deficient number, since it is larger than the sum of its proper divisors (270913).

490549247 is a wasteful number, since it uses less digits than its factorization.

490549247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270912.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 490549247 is about 22148.3463716820. The cubic root of 490549247 is about 788.6679721609.

The spelling of 490549247 in words is "four hundred ninety million, five hundred forty-nine thousand, two hundred forty-seven".