65433428 has 24 divisors (see below), whose sum is σ = 116276160. Its totient is φ = 32215680.

The previous prime is 65433383. The next prime is 65433437. The reversal of 65433428 is 82433456.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98963 + ... + 99621.

It is an arithmetic number, because the mean of its divisors is an integer number (4844840).

Almost surely, 2^65433428 is an apocalyptic number.

It is an amenable number.

65433428 is a deficient number, since it is larger than the sum of its proper divisors (50842732).

65433428 is a wasteful number, since it uses less digits than its factorization.

65433428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1005 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 65433428 is about 8089.0931506566. The cubic root of 65433428 is about 402.9642865811.

The spelling of 65433428 in words is "sixty-five million, four hundred thirty-three thousand, four hundred twenty-eight".