10387849 has 2 divisors, whose sum is σ = 10387850. Its totient is φ = 10387848.

The previous prime is 10387847. The next prime is 10387877. The reversal of 10387849 is 94878301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5914624 + 4473225 = 2432^2 + 2115^2 .

It is a cyclic number.

It is not a de Polignac number, because 10387849 - 2¹ = 10387847 is a prime.

Together with 10387847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10387843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5193924 + 5193925.

It is an arithmetic number, because the mean of its divisors is an integer number (5193925).

Almost surely, 2^10387849 is an apocalyptic number.

It is an amenable number.

10387849 is a deficient number, since it is larger than the sum of its proper divisors (1).

10387849 is an equidigital number, since it uses as much as digits as its factorization.

10387849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 10387849 is about 3223.0186161423. The cubic root of 10387849 is about 218.1935337722.

It can be divided in two parts, 10387 and 849, that added together give a square (11236 = 106²).

The spelling of 10387849 in words is "ten million, three hundred eighty-seven thousand, eight hundred forty-nine".