990736966 has 4 divisors (see below), whose sum is σ = 1486105452. Its totient is φ = 495368482.

The previous prime is 990736963. The next prime is 990736979. The reversal of 990736966 is 669637099.

It is a happy number.

990736966 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (990736963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247684240 + ... + 247684243.

It is an arithmetic number, because the mean of its divisors is an integer number (371526363).

Almost surely, 2^990736966 is an apocalyptic number.

990736966 is a deficient number, since it is larger than the sum of its proper divisors (495368486).

990736966 is a wasteful number, since it uses less digits than its factorization.

990736966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495368485.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The square root of 990736966 is about 31475.9744249483. The cubic root of 990736966 is about 996.9027388776.

The spelling of 990736966 in words is "nine hundred ninety million, seven hundred thirty-six thousand, nine hundred sixty-six".