3648743 has 16 divisors (see below), whose sum is σ = 4409856. Its totient is φ = 2951520.

The previous prime is 3648739. The next prime is 3648767. The reversal of 3648743 is 3478463.

It is a cyclic number.

It is not a de Polignac number, because 3648743 - 2² = 3648739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3648343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21005 + ... + 21177.

It is an arithmetic number, because the mean of its divisors is an integer number (275616).

Almost surely, 2^3648743 is an apocalyptic number.

3648743 is a deficient number, since it is larger than the sum of its proper divisors (761113).

3648743 is a wasteful number, since it uses less digits than its factorization.

3648743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334.

The product of its digits is 48384, while the sum is 35.

The square root of 3648743 is about 1910.1683171909. The cubic root of 3648743 is about 153.9504956978.

The spelling of 3648743 in words is "three million, six hundred forty-eight thousand, seven hundred forty-three".