1421430986 has 8 divisors (see below), whose sum is σ = 2132369604. Its totient is φ = 710641120.

The previous prime is 1421430971. The next prime is 1421430991. The reversal of 1421430986 is 6890341241.

It can be written as a sum of positive squares in 2 ways, for example, as 1404825361 + 16605625 = 37481^2 + 4075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9035 + ... + 54078.

Almost surely, 2^1421430986 is an apocalyptic number.

1421430986 is a deficient number, since it is larger than the sum of its proper divisors (710938618).

1421430986 is a wasteful number, since it uses less digits than its factorization.

1421430986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74376.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1421430986 is about 37701.8697944810. The cubic root of 1421430986 is about 1124.3683001089.

The spelling of 1421430986 in words is "one billion, four hundred twenty-one million, four hundred thirty thousand, nine hundred eighty-six".