990000733 has 2 divisors, whose sum is σ = 990000734. Its totient is φ = 990000732.

The previous prime is 990000731. The next prime is 990000743. The reversal of 990000733 is 337000099.

990000733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675896004 + 314104729 = 25998^2 + 17723^2 .

It is a cyclic number.

It is not a de Polignac number, because 990000733 - 2¹ = 990000731 is a prime.

Together with 990000731, it forms a pair of twin primes.

It is equal to p_50364742 and since 990000733 and 50364742 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 990000695 and 990000704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990000731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495000366 + 495000367.

It is an arithmetic number, because the mean of its divisors is an integer number (495000367).

Almost surely, 2^990000733 is an apocalyptic number.

It is an amenable number.

990000733 is a deficient number, since it is larger than the sum of its proper divisors (1).

990000733 is an equidigital number, since it uses as much as digits as its factorization.

990000733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 990000733 is about 31464.2770932370. The cubic root of 990000733 is about 996.6557393885.

The spelling of 990000733 in words is "nine hundred ninety million, seven hundred thirty-three", and thus it is an aban number.