990549010 has 16 divisors (see below), whose sum is σ = 1945078272. Its totient is φ = 360199600.

The previous prime is 990548987. The next prime is 990549011. The reversal of 990549010 is 10945099.

It is not an unprimeable number, because it can be changed into a prime (990549011) 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, 4502386 + ... + 4502605.

It is an arithmetic number, because the mean of its divisors is an integer number (121567392).

Almost surely, 2^990549010 is an apocalyptic number.

990549010 is a deficient number, since it is larger than the sum of its proper divisors (954529262).

990549010 is a wasteful number, since it uses less digits than its factorization.

990549010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005009.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 990549010 is about 31472.9885775088. The cubic root of 990549010 is about 996.8396929808.

The spelling of 990549010 in words is "nine hundred ninety million, five hundred forty-nine thousand, ten".