424886986 has 4 divisors (see below), whose sum is σ = 637330482. Its totient is φ = 212443492.

The previous prime is 424886953. The next prime is 424886989. The reversal of 424886986 is 689688424.

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., 248661361 + 176225625 = 15769^2 + 13275^2 .

It is not an unprimeable number, because it can be changed into a prime (424886989) 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 as a sum of consecutive naturals, namely, 106221745 + ... + 106221748.

Almost surely, 2^424886986 is an apocalyptic number.

424886986 is a deficient number, since it is larger than the sum of its proper divisors (212443496).

424886986 is a wasteful number, since it uses less digits than its factorization.

424886986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212443495.

The product of its digits is 5308416, while the sum is 55.

The square root of 424886986 is about 20612.7869537334. The cubic root of 424886986 is about 751.7806496294.

The spelling of 424886986 in words is "four hundred twenty-four million, eight hundred eighty-six thousand, nine hundred eighty-six".