3654813 has 8 divisors (see below), whose sum is σ = 5159808. Its totient is φ = 2293184.

The previous prime is 3654809. The next prime is 3654829. The reversal of 3654813 is 3184563.

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 3654813 - 2² = 3654809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35781 + ... + 35882.

It is an arithmetic number, because the mean of its divisors is an integer number (644976).

Almost surely, 2^3654813 is an apocalyptic number.

It is an amenable number.

3654813 is a deficient number, since it is larger than the sum of its proper divisors (1504995).

3654813 is a wasteful number, since it uses less digits than its factorization.

3654813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71683.

The product of its digits is 8640, while the sum is 30.

The square root of 3654813 is about 1911.7565221544. The cubic root of 3654813 is about 154.0358183958.

The spelling of 3654813 in words is "three million, six hundred fifty-four thousand, eight hundred thirteen".