10239771 has 4 divisors (see below), whose sum is σ = 13653032. Its totient is φ = 6826512.

The previous prime is 10239767. The next prime is 10239781. The reversal of 10239771 is 17793201.

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

It is not a de Polignac number, because 10239771 - 2² = 10239767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10239731) 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, 1706626 + ... + 1706631.

It is an arithmetic number, because the mean of its divisors is an integer number (3413258).

Almost surely, 2^10239771 is an apocalyptic number.

10239771 is a deficient number, since it is larger than the sum of its proper divisors (3413261).

10239771 is an equidigital number, since it uses as much as digits as its factorization.

10239771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413260.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 10239771 is about 3199.9642185500. The cubic root of 10239771 is about 217.1517905613.

The spelling of 10239771 in words is "ten million, two hundred thirty-nine thousand, seven hundred seventy-one".