13864170 has 64 divisors (see below), whose sum is σ = 35334144. Its totient is φ = 3474240.

The previous prime is 13864139. The next prime is 13864171. The reversal of 13864170 is 7146831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (13864171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48849 + ... + 49131.

It is an arithmetic number, because the mean of its divisors is an integer number (552096).

Almost surely, 2^13864170 is an apocalyptic number.

13864170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13864170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17667072).

13864170 is an abundant number, since it is smaller than the sum of its proper divisors (21469974).

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

13864170 is a wasteful number, since it uses less digits than its factorization.

13864170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13864170 is about 3723.4620986388. The cubic root of 13864170 is about 240.2322404735.

The spelling of 13864170 in words is "thirteen million, eight hundred sixty-four thousand, one hundred seventy".