936645642 has 24 divisors (see below), whose sum is σ = 2030988960. Its totient is φ = 311970600.

The previous prime is 936645631. The next prime is 936645643. The reversal of 936645642 is 246546639.

It is not an unprimeable number, because it can be changed into a prime (936645643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4017 + ... + 43467.

It is an arithmetic number, because the mean of its divisors is an integer number (84624540).

Almost surely, 2^936645642 is an apocalyptic number.

936645642 is an abundant number, since it is smaller than the sum of its proper divisors (1094343318).

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

936645642 is a wasteful number, since it uses less digits than its factorization.

936645642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40778 (or 40775 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 936645642 is about 30604.6669970447. Note that the first 3 decimals coincide. The cubic root of 936645642 is about 978.4195134009.

The spelling of 936645642 in words is "nine hundred thirty-six million, six hundred forty-five thousand, six hundred forty-two".