103617387 has 18 divisors (see below), whose sum is σ = 155450932. Its totient is φ = 68972472.

The previous prime is 103617383. The next prime is 103617389. The reversal of 103617387 is 783716301.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

103617387 is a `hidden beast` number, since 1 + 0 + 3 + 617 + 38 + 7 = 666.

It is not a de Polignac number, because 103617387 - 2² = 103617383 is a prime.

It is a super-3 number, since 3×103617387³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103617383) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 158353 + ... + 159005.

Almost surely, 2^103617387 is an apocalyptic number.

103617387 is a deficient number, since it is larger than the sum of its proper divisors (51833545).

103617387 is an frugal number, since it uses more digits than its factorization.

103617387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 103617387 is about 10179.2625960823. The cubic root of 103617387 is about 469.6895293756.

Multiplying 103617387 by its product of nonzero digits (21168), we get a square (2193372848016 = 1481004²).

The spelling of 103617387 in words is "one hundred three million, six hundred seventeen thousand, three hundred eighty-seven".