3655249 has 8 divisors (see below), whose sum is σ = 3951360. Its totient is φ = 3361296.

The previous prime is 3655243. The next prime is 3655259. The reversal of 3655249 is 9425563.

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 3655249 - 2⁵ = 3655217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3655243) 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, 5934 + ... + 6520.

It is an arithmetic number, because the mean of its divisors is an integer number (493920).

Almost surely, 2^3655249 is an apocalyptic number.

It is an amenable number.

3655249 is a deficient number, since it is larger than the sum of its proper divisors (296111).

3655249 is a wasteful number, since it uses less digits than its factorization.

3655249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079.

The product of its digits is 32400, while the sum is 34.

The square root of 3655249 is about 1911.8705500112. The cubic root of 3655249 is about 154.0419433737.

The spelling of 3655249 in words is "three million, six hundred fifty-five thousand, two hundred forty-nine".