990519064 has 32 divisors (see below), whose sum is σ = 1884859200. Its totient is φ = 487918080.

The previous prime is 990519053. The next prime is 990519073. The reversal of 990519064 is 460915099.

It is a super-2 number, since 2×990519064² = 1962256032294872192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 990519064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340464 + ... + 343360.

It is an arithmetic number, because the mean of its divisors is an integer number (58901850).

Almost surely, 2^990519064 is an apocalyptic number.

It is an amenable number.

990519064 is a deficient number, since it is larger than the sum of its proper divisors (894340136).

990519064 is a wasteful number, since it uses less digits than its factorization.

990519064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523 (or 3519 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 990519064 is about 31472.5128326290. The cubic root of 990519064 is about 996.8296474868.

The spelling of 990519064 in words is "nine hundred ninety million, five hundred nineteen thousand, sixty-four".