10387965 has 64 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 4354560.

The previous prime is 10387963. The next prime is 10387981. The reversal of 10387965 is 56978301.

It is not a de Polignac number, because 10387965 - 2¹ = 10387963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10387961) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81732 + ... + 81858.

It is an arithmetic number, because the mean of its divisors is an integer number (322560).

Almost surely, 2^10387965 is an apocalyptic number.

10387965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10387965 is a deficient number, since it is larger than the sum of its proper divisors (10255875).

10387965 is a wasteful number, since it uses less digits than its factorization.

10387965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 10387965 is about 3223.0366116444. The cubic root of 10387965 is about 218.1943459505.

The spelling of 10387965 in words is "ten million, three hundred eighty-seven thousand, nine hundred sixty-five".