3504724 has 6 divisors (see below), whose sum is σ = 6133274. Its totient is φ = 1752360.

The previous prime is 3504719. The next prime is 3504727. The reversal of 3504724 is 4274053.

It can be written as a sum of positive squares in only one way, i.e., 2782224 + 722500 = 1668^2 + 850^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3504727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438087 + ... + 438094.

Almost surely, 2^3504724 is an apocalyptic number.

It is an amenable number.

3504724 is a deficient number, since it is larger than the sum of its proper divisors (2628550).

3504724 is a wasteful number, since it uses less digits than its factorization.

3504724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876185 (or 876183 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 3504724 is about 1872.0908097632. The cubic root of 3504724 is about 151.8977266763.

Adding to 3504724 its reverse (4274053), we get a palindrome (7778777).

The spelling of 3504724 in words is "three million, five hundred four thousand, seven hundred twenty-four".