3402403 has 2 divisors, whose sum is σ = 3402404. Its totient is φ = 3402402.

The previous prime is 3402389. The next prime is 3402407. The reversal of 3402403 is 3042043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3402403 - 2²¹ = 1305251 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3402407) 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 as a sum of consecutive naturals, namely, 1701201 + 1701202.

It is an arithmetic number, because the mean of its divisors is an integer number (1701202).

Almost surely, 2^3402403 is an apocalyptic number.

3402403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3402403 is an equidigital number, since it uses as much as digits as its factorization.

3402403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3402403 is about 1844.5603812291. The cubic root of 3402403 is about 150.4048765536.

Adding to 3402403 its reverse (3042043), we get a palindrome (6444446).

The spelling of 3402403 in words is "three million, four hundred two thousand, four hundred three".