3421403 has 8 divisors (see below), whose sum is σ = 3639888. Its totient is φ = 3204864.

The previous prime is 3421399. The next prime is 3421417. The reversal of 3421403 is 3041243.

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 3421403 - 2² = 3421399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421423) 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, 5000 + ... + 5642.

It is an arithmetic number, because the mean of its divisors is an integer number (454986).

Almost surely, 2^3421403 is an apocalyptic number.

3421403 is a deficient number, since it is larger than the sum of its proper divisors (218485).

3421403 is a wasteful number, since it uses less digits than its factorization.

3421403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3421403 is about 1849.7034897518. The cubic root of 3421403 is about 150.6843250985.

Adding to 3421403 its reverse (3041243), we get a palindrome (6462646).

The spelling of 3421403 in words is "three million, four hundred twenty-one thousand, four hundred three".