4180645 has 8 divisors (see below), whose sum is σ = 5733504. Its totient is φ = 2866704.

The previous prime is 4180633. The next prime is 4180663. The reversal of 4180645 is 5460814.

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 4180645 - 2⁵ = 4180613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59689 + ... + 59758.

It is an arithmetic number, because the mean of its divisors is an integer number (716688).

Almost surely, 2^4180645 is an apocalyptic number.

It is an amenable number.

4180645 is a deficient number, since it is larger than the sum of its proper divisors (1552859).

4180645 is a wasteful number, since it uses less digits than its factorization.

4180645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119459.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 4180645 is about 2044.6625638476. The cubic root of 4180645 is about 161.0946423471.

The spelling of 4180645 in words is "four million, one hundred eighty thousand, six hundred forty-five".