1406746668 has 24 divisors (see below), whose sum is σ = 3475492272. Its totient is φ = 441332224.

The previous prime is 1406746657. The next prime is 1406746669. The reversal of 1406746668 is 8666476041.

It is not an unprimeable number, because it can be changed into a prime (1406746669) 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 7 ways as a sum of consecutive naturals, for example, 3447705 + ... + 3448112.

It is an arithmetic number, because the mean of its divisors is an integer number (144812178).

Almost surely, 2^1406746668 is an apocalyptic number.

It is an amenable number.

1406746668 is an abundant number, since it is smaller than the sum of its proper divisors (2068745604).

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

1406746668 is a wasteful number, since it uses less digits than its factorization.

1406746668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895841 (or 6895839 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 1406746668 is about 37506.6216553824. The cubic root of 1406746668 is about 1120.4830686154.

The spelling of 1406746668 in words is "one billion, four hundred six million, seven hundred forty-six thousand, six hundred sixty-eight".