861953348 has 12 divisors (see below), whose sum is σ = 1529664192. Its totient is φ = 424906440.

The previous prime is 861953269. The next prime is 861953353. The reversal of 861953348 is 843359168.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1517240 + ... + 1517807.

It is an arithmetic number, because the mean of its divisors is an integer number (127472016).

Almost surely, 2^861953348 is an apocalyptic number.

It is an amenable number.

861953348 is a deficient number, since it is larger than the sum of its proper divisors (667710844).

861953348 is a wasteful number, since it uses less digits than its factorization.

861953348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035122 (or 3035120 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 861953348 is about 29359.0420143437. The cubic root of 861953348 is about 951.6879862207.

The spelling of 861953348 in words is "eight hundred sixty-one million, nine hundred fifty-three thousand, three hundred forty-eight".