3646073 has 4 divisors (see below), whose sum is σ = 3700560. Its totient is φ = 3591588.

The previous prime is 3646067. The next prime is 3646079. The reversal of 3646073 is 3706463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3706463 = 19 ⋅195077.

It is an interprime number because it is at equal distance from previous prime (3646067) and next prime (3646079).

It is a cyclic number.

It is not a de Polignac number, because 3646073 - 2⁴ = 3646057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3646079) 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 3 ways as a sum of consecutive naturals, for example, 27143 + ... + 27276.

It is an arithmetic number, because the mean of its divisors is an integer number (925140).

Almost surely, 2^3646073 is an apocalyptic number.

It is an amenable number.

3646073 is a deficient number, since it is larger than the sum of its proper divisors (54487).

3646073 is an equidigital number, since it uses as much as digits as its factorization.

3646073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54486.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 3646073 is about 1909.4692979988. The cubic root of 3646073 is about 153.9129349884.

The spelling of 3646073 in words is "three million, six hundred forty-six thousand, seventy-three".