4901645 has 16 divisors (see below), whose sum is σ = 7015680. Its totient is φ = 3214464.

The previous prime is 4901623. The next prime is 4901647. The reversal of 4901645 is 5461094.

It is a cyclic number.

It is not a de Polignac number, because 4901645 - 2⁶ = 4901581 is a prime.

It is a super-3 number, since 3×4901645³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4901647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2240 + ... + 3849.

It is an arithmetic number, because the mean of its divisors is an integer number (438480).

Almost surely, 2^4901645 is an apocalyptic number.

It is an amenable number.

4901645 is a deficient number, since it is larger than the sum of its proper divisors (2114035).

4901645 is a wasteful number, since it uses less digits than its factorization.

4901645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4901645 is about 2213.9658985630. The cubic root of 4901645 is about 169.8689301130.

The spelling of 4901645 in words is "four million, nine hundred one thousand, six hundred forty-five".