65399356 has 12 divisors (see below), whose sum is σ = 124853400. Its totient is φ = 29726960.

The previous prime is 65399353. The next prime is 65399359.

It is a happy number.

65399356 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (65399353) and next prime (65399359).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65399351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743131 + ... + 743218.

It is an arithmetic number, because the mean of its divisors is an integer number (10404450).

Almost surely, 2^65399356 is an apocalyptic number.

It is an amenable number.

65399356 is a deficient number, since it is larger than the sum of its proper divisors (59454044).

65399356 is a wasteful number, since it uses less digits than its factorization.

65399356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486364 (or 1486362 counting only the distinct ones).

The product of its digits is 656100, while the sum is 46.

The square root of 65399356 is about 8086.9868307052. The cubic root of 65399356 is about 402.8943315984.

The spelling of 65399356 in words is "sixty-five million, three hundred ninety-nine thousand, three hundred fifty-six".