990293063 has 4 divisors (see below), whose sum is σ = 991201848. Its totient is φ = 989384280.

The previous prime is 990293033. The next prime is 990293069. The reversal of 990293063 is 360392099.

It is a happy number.

990293063 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 is a cyclic number.

It is not a de Polignac number, because 990293063 - 2⁶ = 990292999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 990293063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990293069) 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, 452756 + ... + 454937.

It is an arithmetic number, because the mean of its divisors is an integer number (247800462).

Almost surely, 2^990293063 is an apocalyptic number.

990293063 is a deficient number, since it is larger than the sum of its proper divisors (908785).

990293063 is a wasteful number, since it uses less digits than its factorization.

990293063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908784.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 990293063 is about 31468.9221772847. The cubic root of 990293063 is about 996.7538281037.

The spelling of 990293063 in words is "nine hundred ninety million, two hundred ninety-three thousand, sixty-three".