490421589 has 8 divisors (see below), whose sum is σ = 747309120. Its totient is φ = 280240896.

The previous prime is 490421587. The next prime is 490421653. The reversal of 490421589 is 985124094.

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

It is not a de Polignac number, because 490421589 - 2¹ = 490421587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 490421589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490421587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11676684 + ... + 11676725.

It is an arithmetic number, because the mean of its divisors is an integer number (93413640).

Almost surely, 2^490421589 is an apocalyptic number.

It is an amenable number.

490421589 is a deficient number, since it is larger than the sum of its proper divisors (256887531).

490421589 is a wasteful number, since it uses less digits than its factorization.

490421589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23353419.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 490421589 is about 22145.4642985872. The cubic root of 490421589 is about 788.5995532669.

The spelling of 490421589 in words is "four hundred ninety million, four hundred twenty-one thousand, five hundred eighty-nine".