10238687 has 4 divisors (see below), whose sum is σ = 10476840. Its totient is φ = 10000536.

The previous prime is 10238647. The next prime is 10238689. The reversal of 10238687 is 78683201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78683201 = 37 ⋅2126573.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10238687 is a prime.

It is a super-2 number, since 2×10238687² = 209661422967938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10238689) 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, 119012 + ... + 119097.

It is an arithmetic number, because the mean of its divisors is an integer number (2619210).

Almost surely, 2^10238687 is an apocalyptic number.

10238687 is a deficient number, since it is larger than the sum of its proper divisors (238153).

10238687 is an equidigital number, since it uses as much as digits as its factorization.

10238687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238152.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 10238687 is about 3199.7948371732. The cubic root of 10238687 is about 217.1441276019.

The spelling of 10238687 in words is "ten million, two hundred thirty-eight thousand, six hundred eighty-seven".