989689703 has 2 divisors, whose sum is σ = 989689704. Its totient is φ = 989689702.

The previous prime is 989689667. The next prime is 989689717. The reversal of 989689703 is 307986989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 989689703 - 2⁶ = 989689639 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989689783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494844851 + 494844852.

It is an arithmetic number, because the mean of its divisors is an integer number (494844852).

Almost surely, 2^989689703 is an apocalyptic number.

989689703 is a deficient number, since it is larger than the sum of its proper divisors (1).

989689703 is an equidigital number, since it uses as much as digits as its factorization.

989689703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 989689703 is about 31459.3341156484. The cubic root of 989689703 is about 996.5513548517.

It can be divided in two parts, 9896 and 89703, that added together give a palindrome (99599).

The spelling of 989689703 in words is "nine hundred eighty-nine million, six hundred eighty-nine thousand, seven hundred three".