4361645 has 8 divisors (see below), whose sum is σ = 5274720. Its totient is φ = 3462160.

The previous prime is 4361611. The next prime is 4361653. The reversal of 4361645 is 5461634.

It is a happy number.

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

It is not a de Polignac number, because 4361645 - 2²² = 167341 is a prime.

It is a super-3 number, since 3×4361645³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2675 + ... + 3984.

It is an arithmetic number, because the mean of its divisors is an integer number (659340).

Almost surely, 2^4361645 is an apocalyptic number.

It is an amenable number.

4361645 is a deficient number, since it is larger than the sum of its proper divisors (913075).

4361645 is a wasteful number, since it uses less digits than its factorization.

4361645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795.

The product of its digits is 8640, while the sum is 29.

The square root of 4361645 is about 2088.4551706944. The cubic root of 4361645 is about 163.3867264933.

The spelling of 4361645 in words is "four million, three hundred sixty-one thousand, six hundred forty-five".