4041645 has 16 divisors (see below), whose sum is σ = 6556992. Its totient is φ = 2125440.

The previous prime is 4041619. The next prime is 4041683. The reversal of 4041645 is 5461404.

It is not a de Polignac number, because 4041645 - 2⁶ = 4041581 is a prime.

It is a super-3 number, since 3×4041645³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751 + ... + 2940.

It is an arithmetic number, because the mean of its divisors is an integer number (409812).

Almost surely, 2^4041645 is an apocalyptic number.

It is an amenable number.

4041645 is a deficient number, since it is larger than the sum of its proper divisors (2515347).

4041645 is a wasteful number, since it uses less digits than its factorization.

4041645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4041645 is about 2010.3842916219. The cubic root of 4041645 is about 159.2890986527.

The spelling of 4041645 in words is "four million, forty-one thousand, six hundred forty-five".