4985645 has 16 divisors (see below), whose sum is σ = 6883968. Its totient is φ = 3395520.

The previous prime is 4985627. The next prime is 4985647. The reversal of 4985645 is 5465894.

It is a happy number.

It is not a de Polignac number, because 4985645 - 2¹² = 4981549 is a prime.

It is a super-3 number, since 3×4985645³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4985647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5942 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (430248).

Almost surely, 2^4985645 is an apocalyptic number.

It is an amenable number.

4985645 is a deficient number, since it is larger than the sum of its proper divisors (1898323).

4985645 is a wasteful number, since it uses less digits than its factorization.

4985645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its digits is 172800, while the sum is 41.

The square root of 4985645 is about 2232.8557947167. The cubic root of 4985645 is about 170.8337931113.

Subtracting 4985645 from its reverse (5465894), we obtain a square (480249 = 693²).

The spelling of 4985645 in words is "four million, nine hundred eighty-five thousand, six hundred forty-five".