65036394 has 24 divisors (see below), whose sum is σ = 142498980. Its totient is φ = 21434688.

The previous prime is 65036383. The next prime is 65036401. The reversal of 65036394 is 49363056.

65036394 is a `hidden beast` number, since 6 + 503 + 63 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63441225 + 1595169 = 7965^2 + 1263^2 .

It is a super-4 number, since 4×65036394⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18697 + ... + 21900.

Almost surely, 2^65036394 is an apocalyptic number.

65036394 is an abundant number, since it is smaller than the sum of its proper divisors (77462586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65036394 is a wasteful number, since it uses less digits than its factorization.

65036394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40694 (or 40691 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 65036394 is about 8064.5144925160. The cubic root of 65036394 is about 402.1476030339.

The spelling of 65036394 in words is "sixty-five million, thirty-six thousand, three hundred ninety-four".