3651343 has 4 divisors (see below), whose sum is σ = 3667248. Its totient is φ = 3635440.

The previous prime is 3651341. The next prime is 3651407. The reversal of 3651343 is 3431563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3431563 = 541 ⋅6343.

It is a cyclic number.

It is not a de Polignac number, because 3651343 - 2¹ = 3651341 is a prime.

It is a d-powerful number, because it can be written as 3 + 6⁸ + 5⁹ + 1 + 3³ + 4⁷ + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3651341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7603 + ... + 8068.

It is an arithmetic number, because the mean of its divisors is an integer number (916812).

Almost surely, 2^3651343 is an apocalyptic number.

3651343 is a deficient number, since it is larger than the sum of its proper divisors (15905).

3651343 is a wasteful number, since it uses less digits than its factorization.

3651343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15904.

The product of its digits is 3240, while the sum is 25.

The square root of 3651343 is about 1910.8487642930. The cubic root of 3651343 is about 153.9870540644.

The spelling of 3651343 in words is "three million, six hundred fifty-one thousand, three hundred forty-three".