3402643 has 8 divisors (see below), whose sum is σ = 3571200. Its totient is φ = 3235848.

The previous prime is 3402613. The next prime is 3402647. The reversal of 3402643 is 3462043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3402643 - 2⁹ = 3402131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3402647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5188 + ... + 5806.

It is an arithmetic number, because the mean of its divisors is an integer number (446400).

Almost surely, 2^3402643 is an apocalyptic number.

3402643 is a deficient number, since it is larger than the sum of its proper divisors (168557).

3402643 is a wasteful number, since it uses less digits than its factorization.

3402643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3402643 is about 1844.6254362336. The cubic root of 3402643 is about 150.4084129093.

Adding to 3402643 its reverse (3462043), we get a palindrome (6864686).

The spelling of 3402643 in words is "three million, four hundred two thousand, six hundred forty-three".