3549745 has 8 divisors (see below), whose sum is σ = 4406760. Its totient is φ = 2741760.

The previous prime is 3549737. The next prime is 3549757. The reversal of 3549745 is 5479453.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 3549456 = 17^2 + 1884^2 .

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

It is not a de Polignac number, because 3549745 - 2³ = 3549737 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12096 + ... + 12385.

It is an arithmetic number, because the mean of its divisors is an integer number (550845).

Almost surely, 2^3549745 is an apocalyptic number.

It is an amenable number.

3549745 is a deficient number, since it is larger than the sum of its proper divisors (857015).

3549745 is a wasteful number, since it uses less digits than its factorization.

3549745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24515.

The product of its digits is 75600, while the sum is 37.

The square root of 3549745 is about 1884.0766969526. The cubic root of 3549745 is about 152.5453775202.

The spelling of 3549745 in words is "three million, five hundred forty-nine thousand, seven hundred forty-five".