662771946 has 16 divisors (see below), whose sum is σ = 1395309600. Its totient is φ = 209296368.

The previous prime is 662771917. The next prime is 662771951. The reversal of 662771946 is 649177266.

It is a junction number, because it is equal to n+sod(n) for n = 662771895 and 662771904.

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 7 ways as a sum of consecutive naturals, for example, 2906781 + ... + 2907008.

It is an arithmetic number, because the mean of its divisors is an integer number (87206850).

Almost surely, 2^662771946 is an apocalyptic number.

662771946 is an abundant number, since it is smaller than the sum of its proper divisors (732537654).

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

662771946 is a wasteful number, since it uses less digits than its factorization.

662771946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813813.

The product of its digits is 762048, while the sum is 48.

The square root of 662771946 is about 25744.3575565598. The cubic root of 662771946 is about 871.8759651947.

The spelling of 662771946 in words is "six hundred sixty-two million, seven hundred seventy-one thousand, nine hundred forty-six".