861333002 has 32 divisors (see below), whose sum is σ = 1375088400. Its totient is φ = 403916800.

The previous prime is 861333001. The next prime is 861333013. The reversal of 861333002 is 200333168.

861333002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 420291001 + 441042001 = 20501^2 + 21001^2 .

It is not an unprimeable number, because it can be changed into a prime (861333001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667574 + ... + 668862.

Almost surely, 2^861333002 is an apocalyptic number.

861333002 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

861333002 is a deficient number, since it is larger than the sum of its proper divisors (513755398).

861333002 is a wasteful number, since it uses less digits than its factorization.

861333002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 861333002 is about 29348.4752925940. The cubic root of 861333002 is about 951.4596221512.

The spelling of 861333002 in words is "eight hundred sixty-one million, three hundred thirty-three thousand, two".