3540945 has 8 divisors (see below), whose sum is σ = 5665536. Its totient is φ = 1888496.

The previous prime is 3540931. The next prime is 3540991. The reversal of 3540945 is 5490453.

3540945 = 435² + 436² + ... + 452².

3540945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3540945 - 2¹⁴ = 3524561 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 118017 + ... + 118046.

It is an arithmetic number, because the mean of its divisors is an integer number (708192).

Almost surely, 2^3540945 is an apocalyptic number.

It is an amenable number.

3540945 is a deficient number, since it is larger than the sum of its proper divisors (2124591).

3540945 is a wasteful number, since it uses less digits than its factorization.

3540945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236071.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 3540945 is about 1881.7398863817. The cubic root of 3540945 is about 152.4192172706.

The spelling of 3540945 in words is "three million, five hundred forty thousand, nine hundred forty-five".