65443834 has 12 divisors (see below), whose sum is σ = 100305594. Its totient is φ = 32023544.

The previous prime is 65443811. The next prime is 65443871. The reversal of 65443834 is 43834456.

It can be written as a sum of positive squares in only one way, i.e., 60140025 + 5303809 = 7755^2 + 2303^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65443793 and 65443802.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2989 + ... + 11824.

Almost surely, 2^65443834 is an apocalyptic number.

65443834 is a deficient number, since it is larger than the sum of its proper divisors (34861760).

65443834 is a wasteful number, since it uses less digits than its factorization.

65443834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14909 (or 14862 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 65443834 is about 8089.7363368654. The cubic root of 65443834 is about 402.9856468359.

The spelling of 65443834 in words is "sixty-five million, four hundred forty-three thousand, eight hundred thirty-four".