3502643 has 4 divisors (see below), whose sum is σ = 3552048. Its totient is φ = 3453240.

The previous prime is 3502633. The next prime is 3502657. The reversal of 3502643 is 3462053.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3502643 - 2⁴ = 3502627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3502633) 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, 24596 + ... + 24737.

It is an arithmetic number, because the mean of its divisors is an integer number (888012).

Almost surely, 2^3502643 is an apocalyptic number.

3502643 is a deficient number, since it is larger than the sum of its proper divisors (49405).

3502643 is an equidigital number, since it uses as much as digits as its factorization.

3502643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49404.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3502643 is about 1871.5349315468. The cubic root of 3502643 is about 151.8676566191.

Adding to 3502643 its reverse (3462053), we get a palindrome (6964696).

The spelling of 3502643 in words is "three million, five hundred two thousand, six hundred forty-three".