10644378 has 32 divisors (see below), whose sum is σ = 21903360. Its totient is φ = 3447360.

The previous prime is 10644373. The next prime is 10644383. The reversal of 10644378 is 87344601.

10644378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10644373) and next prime (10644383).

It is a super-2 number, since 2×10644378² = 226605566013768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10644371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46368 + ... + 46596.

It is an arithmetic number, because the mean of its divisors is an integer number (684480).

Almost surely, 2^10644378 is an apocalyptic number.

10644378 is an abundant number, since it is smaller than the sum of its proper divisors (11258982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10644378 is a wasteful number, since it uses less digits than its factorization.

10644378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 10644378 is about 3262.5722980495. The cubic root of 10644378 is about 219.9750522675.

Adding to 10644378 its reverse (87344601), we get a palindrome (97988979).

The spelling of 10644378 in words is "ten million, six hundred forty-four thousand, three hundred seventy-eight".