3403863 has 10 divisors (see below), whose sum is σ = 5084904. Its totient is φ = 2269188.

The previous prime is 3403853. The next prime is 3403871. The reversal of 3403863 is 3683043.

It is not a de Polignac number, because 3403863 - 2¹³ = 3395671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3403843) 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 in 9 ways as a sum of consecutive naturals, for example, 20931 + ... + 21092.

Almost surely, 2^3403863 is an apocalyptic number.

3403863 is a deficient number, since it is larger than the sum of its proper divisors (1681041).

3403863 is an equidigital number, since it uses as much as digits as its factorization.

3403863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42035 (or 42026 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 3403863 is about 1844.9560970386. The cubic root of 3403863 is about 150.4263868135.

The spelling of 3403863 in words is "three million, four hundred three thousand, eight hundred sixty-three".