65346399 has 8 divisors (see below), whose sum is σ = 96809520. Its totient is φ = 43564248.

The previous prime is 65346389. The next prime is 65346401. The reversal of 65346399 is 99364356.

It is a happy number.

65346399 is a `hidden beast` number, since 6 + 5 + 3 + 4 + 639 + 9 = 666.

It is not a de Polignac number, because 65346399 - 2⁷ = 65346271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65346319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210092 + ... + 1210145.

It is an arithmetic number, because the mean of its divisors is an integer number (12101190).

Almost surely, 2^65346399 is an apocalyptic number.

65346399 is a deficient number, since it is larger than the sum of its proper divisors (31463121).

65346399 is a wasteful number, since it uses less digits than its factorization.

65346399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420246 (or 2420240 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 65346399 is about 8083.7119567684. The cubic root of 65346399 is about 402.7855546014.

The spelling of 65346399 in words is "sixty-five million, three hundred forty-six thousand, three hundred ninety-nine".