3506303 has 4 divisors (see below), whose sum is σ = 3627240. Its totient is φ = 3385368.

The previous prime is 3506297. The next prime is 3506323. The reversal of 3506303 is 3036053.

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 3506303 - 2⁴ = 3506287 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506323) 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, 60425 + ... + 60482.

It is an arithmetic number, because the mean of its divisors is an integer number (906810).

Almost surely, 2^3506303 is an apocalyptic number.

3506303 is a deficient number, since it is larger than the sum of its proper divisors (120937).

3506303 is a wasteful number, since it uses less digits than its factorization.

3506303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120936.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 3506303 is about 1872.5124832695. The cubic root of 3506303 is about 151.9205349868.

It can be divided in two parts, 350 and 6303, that multiplied together give a triangular number (2206050 = T₂₁₀₀).

The spelling of 3506303 in words is "three million, five hundred six thousand, three hundred three".