4194645 has 48 divisors (see below), whose sum is σ = 8426880. Its totient is φ = 1766016.

The previous prime is 4194643. The next prime is 4194661. The reversal of 4194645 is 5464914.

It is not a de Polignac number, because 4194645 - 2¹ = 4194643 is a prime.

It is a d-powerful number, because it can be written as 4³ + 1 + 9 + 4⁴ + 6 + 4¹¹ + 5 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4194643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9336 + ... + 9774.

It is an arithmetic number, because the mean of its divisors is an integer number (175560).

Almost surely, 2^4194645 is an apocalyptic number.

It is an amenable number.

4194645 is an abundant number, since it is smaller than the sum of its proper divisors (4232235).

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

4194645 is a wasteful number, since it uses less digits than its factorization.

4194645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 467 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 4194645 is about 2048.0832502611. The cubic root of 4194645 is about 161.2742647218.

The spelling of 4194645 in words is "four million, one hundred ninety-four thousand, six hundred forty-five".