3651733 has 4 divisors (see below), whose sum is σ = 3810528. Its totient is φ = 3492940.

The previous prime is 3651731. The next prime is 3651757. The reversal of 3651733 is 3371563.

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.

It is a cyclic number.

It is not a de Polignac number, because 3651733 - 2¹ = 3651731 is a prime.

It is a Duffinian number.

3651733 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3651731) 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, 79363 + ... + 79408.

It is an arithmetic number, because the mean of its divisors is an integer number (952632).

Almost surely, 2^3651733 is an apocalyptic number.

It is an amenable number.

3651733 is a deficient number, since it is larger than the sum of its proper divisors (158795).

3651733 is a wasteful number, since it uses less digits than its factorization.

3651733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158794.

The product of its digits is 5670, while the sum is 28.

The square root of 3651733 is about 1910.9508104606. The cubic root of 3651733 is about 153.9925363224.

The spelling of 3651733 in words is "three million, six hundred fifty-one thousand, seven hundred thirty-three".