990536371 has 6 divisors (see below), whose sum is σ = 1088771516. Its totient is φ = 900487500.

The previous prime is 990536363. The next prime is 990536381. The reversal of 990536371 is 173635099.

It is a happy number.

990536371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 990536371 - 2³ = 990536363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990536311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4093005 + ... + 4093246.

Almost surely, 2^990536371 is an apocalyptic number.

990536371 is a deficient number, since it is larger than the sum of its proper divisors (98235145).

990536371 is a wasteful number, since it uses less digits than its factorization.

990536371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186273 (or 8186262 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 990536371 is about 31472.7877856411. The cubic root of 990536371 is about 996.8354532072.

The spelling of 990536371 in words is "nine hundred ninety million, five hundred thirty-six thousand, three hundred seventy-one".