490023669 has 8 divisors (see below), whose sum is σ = 662315392. Its totient is φ = 322207200.

The previous prime is 490023641. The next prime is 490023683. The reversal of 490023669 is 966320094.

It is a happy number.

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

It is not a de Polignac number, because 490023669 - 2¹⁵ = 489990901 is a prime.

It is a super-2 number, since 2×490023669² = 480246392360443122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490023869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118557 + ... + 1118994.

It is an arithmetic number, because the mean of its divisors is an integer number (82789424).

Almost surely, 2^490023669 is an apocalyptic number.

It is an amenable number.

490023669 is a deficient number, since it is larger than the sum of its proper divisors (172291723).

490023669 is a wasteful number, since it uses less digits than its factorization.

490023669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237627.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 490023669 is about 22136.4782429365. The cubic root of 490023669 is about 788.3862099924.

The spelling of 490023669 in words is "four hundred ninety million, twenty-three thousand, six hundred sixty-nine".