103485691 has 4 divisors (see below), whose sum is σ = 103507272. Its totient is φ = 103464112.

The previous prime is 103485689. The next prime is 103485703. The reversal of 103485691 is 196584301.

103485691 is a nontrivial binomial coefficient, being equal to C(14387, 2).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196584301 = 29 ⋅6778769.

It is not a de Polignac number, because 103485691 - 2¹ = 103485689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103485691.

It is not an unprimeable number, because it can be changed into a prime (103485611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 14386.

It is an arithmetic number, because the mean of its divisors is an integer number (25876818).

Almost surely, 2^103485691 is an apocalyptic number.

103485691 is the 14386-th triangular number.

103485691 is the 4796-th centered nonagonal number.

103485691 is a deficient number, since it is larger than the sum of its proper divisors (21581).

103485691 is an equidigital number, since it uses as much as digits as its factorization.

103485691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21580.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 103485691 is about 10172.7917013964. The cubic root of 103485691 is about 469.4904557817.

The spelling of 103485691 in words is "one hundred three million, four hundred eighty-five thousand, six hundred ninety-one".