421088986 has 8 divisors (see below), whose sum is σ = 631778004. Its totient is φ = 210496320.

The previous prime is 421088957. The next prime is 421088989. The reversal of 421088986 is 689880124.

It can be written as a sum of positive squares in 2 ways, for example, as 283754025 + 137334961 = 16845^2 + 11719^2 .

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 (421088989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11935 + ... + 31378.

Almost surely, 2^421088986 is an apocalyptic number.

421088986 is a deficient number, since it is larger than the sum of its proper divisors (210689018).

421088986 is a wasteful number, since it uses less digits than its factorization.

421088986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48176.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 421088986 is about 20520.4528702463. The cubic root of 421088986 is about 749.5339243506.

The spelling of 421088986 in words is "four hundred twenty-one million, eighty-eight thousand, nine hundred eighty-six".