424379866 has 4 divisors (see below), whose sum is σ = 636569802. Its totient is φ = 212189932.

The previous prime is 424379849. The next prime is 424379897. The reversal of 424379866 is 668973424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 388917841 + 35462025 = 19721^2 + 5955^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106094965 + ... + 106094968.

Almost surely, 2^424379866 is an apocalyptic number.

424379866 is a deficient number, since it is larger than the sum of its proper divisors (212189936).

424379866 is a wasteful number, since it uses less digits than its factorization.

424379866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212189935.

The product of its digits is 1741824, while the sum is 49.

The square root of 424379866 is about 20600.4821788229. The cubic root of 424379866 is about 751.4814369033.

The spelling of 424379866 in words is "four hundred twenty-four million, three hundred seventy-nine thousand, eight hundred sixty-six".