200488990 has 64 divisors (see below), whose sum is σ = 416840256. Its totient is φ = 68769792.

The previous prime is 200488987. The next prime is 200488993. The reversal of 200488990 is 99884002.

200488990 = 1938² + 1939² + ... + 1989².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200488987) and next prime (200488993).

It is a super-2 number, since 2×200488990² = 80391670222440200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200488993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182884 + ... + 183976.

It is an arithmetic number, because the mean of its divisors is an integer number (6513129).

Almost surely, 2^200488990 is an apocalyptic number.

200488990 is an abundant number, since it is smaller than the sum of its proper divisors (216351266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200488990 is a wasteful number, since it uses less digits than its factorization.

200488990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 200488990 is about 14159.4134765533. The cubic root of 200488990 is about 585.2797648887.

The spelling of 200488990 in words is "two hundred million, four hundred eighty-eight thousand, nine hundred ninety".