103185394 has 8 divisors (see below), whose sum is σ = 166684140. Its totient is φ = 47624016.

The previous prime is 103185389. The next prime is 103185413. The reversal of 103185394 is 493581301.

It can be written as a sum of positive squares in 2 ways, for example, as 72880369 + 30305025 = 8537^2 + 5505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984309 + ... + 1984360.

Almost surely, 2^103185394 is an apocalyptic number.

103185394 is a deficient number, since it is larger than the sum of its proper divisors (63498746).

103185394 is a wasteful number, since it uses less digits than its factorization.

103185394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968684.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 103185394 is about 10158.0211655617. The cubic root of 103185394 is about 469.0358899799.

The spelling of 103185394 in words is "one hundred three million, one hundred eighty-five thousand, three hundred ninety-four".