3540049 has 8 divisors (see below), whose sum is σ = 3660008. Its totient is φ = 3421440.

The previous prime is 3540041. The next prime is 3540067. The reversal of 3540049 is 9400453.

It can be written as a sum of positive squares in 4 ways, for example, as 1960000 + 1580049 = 1400^2 + 1257^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3540049 - 2³ = 3540041 is a prime.

It is an Ulam number.

It is a Duffinian number.

3540049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3540041) 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, 8719 + ... + 9115.

It is an arithmetic number, because the mean of its divisors is an integer number (457501).

Almost surely, 2^3540049 is an apocalyptic number.

It is an amenable number.

3540049 is a deficient number, since it is larger than the sum of its proper divisors (119959).

3540049 is a wasteful number, since it uses less digits than its factorization.

3540049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3540049 is about 1881.5017937807. The cubic root of 3540049 is about 152.4063601436.

The spelling of 3540049 in words is "three million, five hundred forty thousand, forty-nine".