990097753 has 4 divisors (see below), whose sum is σ = 992592100. Its totient is φ = 987603408.

The previous prime is 990097681. The next prime is 990097777. The reversal of 990097753 is 357790099.

990097753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 357474649 + 632623104 = 18907^2 + 25152^2 .

It is a cyclic number.

It is not a de Polignac number, because 990097753 - 2²⁵ = 956543321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 990097697 and 990097706.

It is not an unprimeable number, because it can be changed into a prime (990097453) 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, 1246578 + ... + 1247371.

It is an arithmetic number, because the mean of its divisors is an integer number (248148025).

Almost surely, 2^990097753 is an apocalyptic number.

It is an amenable number.

990097753 is a deficient number, since it is larger than the sum of its proper divisors (2494347).

990097753 is a wasteful number, since it uses less digits than its factorization.

990097753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494346.

The product of its (nonzero) digits is 535815, while the sum is 49.

The square root of 990097753 is about 31465.8188039021. The cubic root of 990097753 is about 996.6882957217.

The spelling of 990097753 in words is "nine hundred ninety million, ninety-seven thousand, seven hundred fifty-three".