103693489 has 9 divisors (see below), whose sum is σ = 110336107. Its totient is φ = 97430944.

The previous prime is 103693487. The next prime is 103693517. The reversal of 103693489 is 984396301.

The square root of 103693489 is 10183.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 80730225 + 22963264 = 8985^2 + 4792^2 .

It is not a de Polignac number, because 103693489 - 2¹ = 103693487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103693483) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 172812 + ... + 173410.

Almost surely, 2^103693489 is an apocalyptic number.

103693489 is the 10183-rd square number.

103693489 is the 5092-nd centered octagonal number.

It is an amenable number.

103693489 is a deficient number, since it is larger than the sum of its proper divisors (6642618).

103693489 is an frugal number, since it uses more digits than its factorization.

103693489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The cubic root of 103693489 is about 469.8044893784.

The spelling of 103693489 in words is "one hundred three million, six hundred ninety-three thousand, four hundred eighty-nine".