10340087 has 4 divisors (see below), whose sum is σ = 10789680. Its totient is φ = 9890496.

The previous prime is 10340059. The next prime is 10340089. The reversal of 10340087 is 78004301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10340087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 449569 = 10340087 / (1 + 0 + 3 + 4 + 0 + 0 + 8 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10340089) 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, 224762 + ... + 224807.

It is an arithmetic number, because the mean of its divisors is an integer number (2697420).

Almost surely, 2^10340087 is an apocalyptic number.

10340087 is a deficient number, since it is larger than the sum of its proper divisors (449593).

10340087 is an equidigital number, since it uses as much as digits as its factorization.

10340087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449592.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 10340087 is about 3215.6005659907. The cubic root of 10340087 is about 217.8586112902.

Adding to 10340087 its reverse (78004301), we get a palindrome (88344388).

The spelling of 10340087 in words is "ten million, three hundred forty thousand, eighty-seven".