488990 has 16 divisors (see below), whose sum is σ = 890352. Its totient is φ = 193344.

The previous prime is 488981. The next prime is 488993. The reversal of 488990 is 99884.

It is a super-2 number, since 2×488990² = 478222440200, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 488990.

It is not an unprimeable number, because it can be changed into a prime (488993) 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, 842 + ... + 1298.

It is an arithmetic number, because the mean of its divisors is an integer number (55647).

2⁴⁸⁸⁹⁹⁰ is an apocalyptic number.

488990 is a deficient number, since it is larger than the sum of its proper divisors (401362).

488990 is a wasteful number, since it uses less digits than its factorization.

488990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 488990 is about 699.2781992884. The cubic root of 488990 is about 78.7831472115.

The spelling of 488990 in words is "four hundred eighty-eight thousand, nine hundred ninety".