102988693 has 2 divisors, whose sum is σ = 102988694. Its totient is φ = 102988692.

The previous prime is 102988681. The next prime is 102988709. The reversal of 102988693 is 396889201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76702564 + 26286129 = 8758^2 + 5127^2 .

It is a cyclic number.

It is not a de Polignac number, because 102988693 - 2²¹ = 100891541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102988643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51494346 + 51494347.

It is an arithmetic number, because the mean of its divisors is an integer number (51494347).

Almost surely, 2^102988693 is an apocalyptic number.

It is an amenable number.

102988693 is a deficient number, since it is larger than the sum of its proper divisors (1).

102988693 is an equidigital number, since it uses as much as digits as its factorization.

102988693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 102988693 is about 10148.3344938960. The cubic root of 102988693 is about 468.7376613523.

The spelling of 102988693 in words is "one hundred two million, nine hundred eighty-eight thousand, six hundred ninety-three".