1961714858 has 8 divisors (see below), whose sum is σ = 3005180352. Its totient is φ = 959988076.

The previous prime is 1961714851. The next prime is 1961714863. The reversal of 1961714858 is 8584171691.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1961714851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10434560 + ... + 10434747.

It is an arithmetic number, because the mean of its divisors is an integer number (375647544).

Almost surely, 2^1961714858 is an apocalyptic number.

1961714858 is a deficient number, since it is larger than the sum of its proper divisors (1043465494).

1961714858 is a wasteful number, since it uses less digits than its factorization.

1961714858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20869356.

The product of its digits is 483840, while the sum is 50.

The square root of 1961714858 is about 44291.2503548952. The cubic root of 1961714858 is about 1251.8298231308.

The spelling of 1961714858 in words is "one billion, nine hundred sixty-one million, seven hundred fourteen thousand, eight hundred fifty-eight".