4100385 has 8 divisors (see below), whose sum is σ = 6560640. Its totient is φ = 2186864.

The previous prime is 4100381. The next prime is 4100399. The reversal of 4100385 is 5830014.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4100385 - 2² = 4100381 is a prime.

4100385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4100381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136665 + ... + 136694.

It is an arithmetic number, because the mean of its divisors is an integer number (820080).

Almost surely, 2^4100385 is an apocalyptic number.

It is an amenable number.

4100385 is a deficient number, since it is larger than the sum of its proper divisors (2460255).

4100385 is a wasteful number, since it uses less digits than its factorization.

4100385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273367.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4100385 is about 2024.9407398736. The cubic root of 4100385 is about 160.0570759913.

Adding to 4100385 its reverse (5830014), we get a palindrome (9930399).

The spelling of 4100385 in words is "four million, one hundred thousand, three hundred eighty-five".