490894369 has 4 divisors (see below), whose sum is σ = 561022144. Its totient is φ = 420766596.

The previous prime is 490894333. The next prime is 490894373. The reversal of 490894369 is 963498094.

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 490894369 - 2⁹ = 490893857 is a prime.

It is a super-2 number, since 2×490894369² = 481954563031816322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490894309) 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, 35063877 + ... + 35063890.

It is an arithmetic number, because the mean of its divisors is an integer number (140255536).

Almost surely, 2^490894369 is an apocalyptic number.

It is an amenable number.

490894369 is a deficient number, since it is larger than the sum of its proper divisors (70127775).

490894369 is an equidigital number, since it uses as much as digits as its factorization.

490894369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70127774.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 490894369 is about 22156.1361478034. The cubic root of 490894369 is about 788.8528824853.

The spelling of 490894369 in words is "four hundred ninety million, eight hundred ninety-four thousand, three hundred sixty-nine".