3603431 has 8 divisors (see below), whose sum is σ = 3917760. Its totient is φ = 3294432.

The previous prime is 3603421. The next prime is 3603437. The reversal of 3603431 is 1343063.

3603431 is nontrivially palindromic in base 4.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3603431 is a prime.

It is a super-2 number, since 2×3603431² = 25969429943522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3603437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (489720).

Almost surely, 2^3603431 is an apocalyptic number.

3603431 is a deficient number, since it is larger than the sum of its proper divisors (314329).

3603431 is a wasteful number, since it uses less digits than its factorization.

3603431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3603431 is about 1898.2705286655. The cubic root of 3603431 is about 153.3105600499.

Adding to 3603431 its reverse (1343063), we get a palindrome (4946494).

The spelling of 3603431 in words is "three million, six hundred three thousand, four hundred thirty-one".