3604431 has 8 divisors (see below), whose sum is σ = 4817664. Its totient is φ = 2397080.

The previous prime is 3604427. The next prime is 3604451. The reversal of 3604431 is 1344063.

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 3604431 - 2² = 3604427 is a prime.

It is a super-2 number, since 2×3604431² = 25983845667522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3604398 and 3604407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3604421) 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, 250 + ... + 2696.

It is an arithmetic number, because the mean of its divisors is an integer number (602208).

Almost surely, 2^3604431 is an apocalyptic number.

3604431 is a deficient number, since it is larger than the sum of its proper divisors (1213233).

3604431 is a wasteful number, since it uses less digits than its factorization.

3604431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3604431 is about 1898.5339080459. The cubic root of 3604431 is about 153.3247406443.

Adding to 3604431 its reverse (1344063), we get a palindrome (4948494).

The spelling of 3604431 in words is "three million, six hundred four thousand, four hundred thirty-one".