103490361 has 18 divisors (see below), whose sum is σ = 161871918. Its totient is φ = 63685440.

The previous prime is 103490353. The next prime is 103490371. The reversal of 103490361 is 163094301.

It can be written as a sum of positive squares in 3 ways, for example, as 9884736 + 93605625 = 3144^2 + 9675^2 .

It is not a de Polignac number, because 103490361 - 2³ = 103490353 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103490311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32500 + ... + 35541.

Almost surely, 2^103490361 is an apocalyptic number.

It is an amenable number.

103490361 is a deficient number, since it is larger than the sum of its proper divisors (58381557).

103490361 is a wasteful number, since it uses less digits than its factorization.

103490361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68073 (or 68057 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 103490361 is about 10173.0212326526. The cubic root of 103490361 is about 469.4975179092.

The spelling of 103490361 in words is "one hundred three million, four hundred ninety thousand, three hundred sixty-one".