3653145 has 12 divisors (see below), whose sum is σ = 6332196. Its totient is φ = 1948320.

The previous prime is 3653137. The next prime is 3653161. The reversal of 3653145 is 5413563.

3653145 is a `hidden beast` number, since 3 + 653 + 1 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1814409 + 1838736 = 1347^2 + 1356^2 .

It is not a de Polignac number, because 3653145 - 2³ = 3653137 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40546 + ... + 40635.

It is an arithmetic number, because the mean of its divisors is an integer number (527683).

Almost surely, 2^3653145 is an apocalyptic number.

It is an amenable number.

3653145 is a deficient number, since it is larger than the sum of its proper divisors (2679051).

3653145 is a wasteful number, since it uses less digits than its factorization.

3653145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81192 (or 81189 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 3653145 is about 1911.3202243476. The cubic root of 3653145 is about 154.0123816435.

The spelling of 3653145 in words is "three million, six hundred fifty-three thousand, one hundred forty-five".