65040386 has 8 divisors (see below), whose sum is σ = 99636480. Its totient is φ = 31828228.

The previous prime is 65040379. The next prime is 65040499. The reversal of 65040386 is 68304056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×65040386² = 8460503622057992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345866 + ... + 346053.

It is an arithmetic number, because the mean of its divisors is an integer number (12454560).

Almost surely, 2^65040386 is an apocalyptic number.

65040386 is a deficient number, since it is larger than the sum of its proper divisors (34596094).

65040386 is a wasteful number, since it uses less digits than its factorization.

65040386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691968.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 65040386 is about 8064.7619927683. The cubic root of 65040386 is about 402.1558309418.

The spelling of 65040386 in words is "sixty-five million, forty thousand, three hundred eighty-six".