940863505 has 8 divisors (see below), whose sum is σ = 1129233024. Its totient is φ = 752559600.

The previous prime is 940863481. The next prime is 940863509. The reversal of 940863505 is 505368049.

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

It is not a de Polignac number, because 940863505 - 2²⁹ = 403992593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940863509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24360 + ... + 49750.

It is an arithmetic number, because the mean of its divisors is an integer number (141154128).

Almost surely, 2^940863505 is an apocalyptic number.

It is an amenable number.

940863505 is a deficient number, since it is larger than the sum of its proper divisors (188369519).

940863505 is a wasteful number, since it uses less digits than its factorization.

940863505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32807.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 940863505 is about 30673.4984147554. The cubic root of 940863505 is about 979.8859734748.

The spelling of 940863505 in words is "nine hundred forty million, eight hundred sixty-three thousand, five hundred five".