3435728 has 10 divisors (see below), whose sum is σ = 6656754. Its totient is φ = 1717856.

The previous prime is 3435727. The next prime is 3435739. The reversal of 3435728 is 8275343.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1827904 + 1607824 = 1352^2 + 1268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3435694 and 3435703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3435727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107351 + ... + 107382.

Almost surely, 2^3435728 is an apocalyptic number.

It is an amenable number.

3435728 is a deficient number, since it is larger than the sum of its proper divisors (3221026).

3435728 is a wasteful number, since it uses less digits than its factorization.

3435728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214741 (or 214735 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 3435728 is about 1853.5716873107. The cubic root of 3435728 is about 150.8943312872.

The spelling of 3435728 in words is "three million, four hundred thirty-five thousand, seven hundred twenty-eight".