4645389 has 8 divisors (see below), whose sum is σ = 7078720. Its totient is φ = 2654496.

The previous prime is 4645363. The next prime is 4645409. The reversal of 4645389 is 9835464.

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

It is not a de Polignac number, because 4645389 - 2¹² = 4641293 is a prime.

It is a super-2 number, since 2×4645389² = 43159277922642, which contains 22 as substring.

It is a Duffinian number.

4645389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645309) 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, 110584 + ... + 110625.

It is an arithmetic number, because the mean of its divisors is an integer number (884840).

Almost surely, 2^4645389 is an apocalyptic number.

It is an amenable number.

4645389 is a deficient number, since it is larger than the sum of its proper divisors (2433331).

4645389 is a wasteful number, since it uses less digits than its factorization.

4645389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221219.

The product of its digits is 103680, while the sum is 39.

The square root of 4645389 is about 2155.3164500834. The cubic root of 4645389 is about 166.8555649349.

The spelling of 4645389 in words is "four million, six hundred forty-five thousand, three hundred eighty-nine".