990511096 has 16 divisors (see below), whose sum is σ = 1870766640. Its totient is φ = 491640000.

The previous prime is 990511079. The next prime is 990511099. The reversal of 990511096 is 690115099.

It is a super-2 number, since 2×990511096² = 1962224462598242432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990511099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450780 + ... + 452971.

It is an arithmetic number, because the mean of its divisors is an integer number (116922915).

Almost surely, 2^990511096 is an apocalyptic number.

It is an amenable number.

990511096 is a deficient number, since it is larger than the sum of its proper divisors (880255544).

990511096 is a wasteful number, since it uses less digits than its factorization.

990511096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903894 (or 903890 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 40.

The square root of 990511096 is about 31472.3862457234. The cubic root of 990511096 is about 996.8269745583.

The spelling of 990511096 in words is "nine hundred ninety million, five hundred eleven thousand, ninety-six".