501340386 has 8 divisors (see below), whose sum is σ = 1002680784. Its totient is φ = 167113460.

The previous prime is 501340381. The next prime is 501340391. The reversal of 501340386 is 683043105.

It is an interprime number because it is at equal distance from previous prime (501340381) and next prime (501340391).

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

501340386 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (501340381) 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, 41778360 + ... + 41778371.

It is an arithmetic number, because the mean of its divisors is an integer number (125335098).

Almost surely, 2^501340386 is an apocalyptic number.

501340386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

501340386 is a wasteful number, since it uses less digits than its factorization.

501340386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83556736.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 501340386 is about 22390.6316570123. The cubic root of 501340386 is about 794.4091365352.

The spelling of 501340386 in words is "five hundred one million, three hundred forty thousand, three hundred eighty-six".