4041549 has 16 divisors (see below), whose sum is σ = 6027840. Its totient is φ = 2676240.

The previous prime is 4041539. The next prime is 4041553. The reversal of 4041549 is 9451404.

It is not a de Polignac number, because 4041549 - 2⁵ = 4041517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4041539) 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, 4474 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (376740).

Almost surely, 2^4041549 is an apocalyptic number.

It is an amenable number.

4041549 is a deficient number, since it is larger than the sum of its proper divisors (1986291).

4041549 is a wasteful number, since it uses less digits than its factorization.

4041549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4041549 is about 2010.3604154479. The cubic root of 4041549 is about 159.2878374604.

It can be divided in two parts, 404 and 1549, that added together give a triangular number (1953 = T₆₂).

The spelling of 4041549 in words is "four million, forty-one thousand, five hundred forty-nine".