103578489 has 12 divisors (see below), whose sum is σ = 170986816. Its totient is φ = 59187672.

The previous prime is 103578479. The next prime is 103578509. The reversal of 103578489 is 984875301.

It is not a de Polignac number, because 103578489 - 2⁴ = 103578473 is a prime.

It is a super-3 number, since 3×103578489³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103578469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 821989 + ... + 822114.

Almost surely, 2^103578489 is an apocalyptic number.

It is an amenable number.

103578489 is a deficient number, since it is larger than the sum of its proper divisors (67408327).

103578489 is a wasteful number, since it uses less digits than its factorization.

103578489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644116 (or 1644113 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 103578489 is about 10177.3517675277. The cubic root of 103578489 is about 469.6307481533.

It can be divided in two parts, 1035 and 78489, that added together give a square (79524 = 282²).

The spelling of 103578489 in words is "one hundred three million, five hundred seventy-eight thousand, four hundred eighty-nine".