1449999986 has 8 divisors (see below), whose sum is σ = 2175598764. Its totient is φ = 724800400.

The previous prime is 1449999979. The next prime is 1450000001. The reversal of 1449999986 is 6899999441.

It can be written as a sum of positive squares in 2 ways, for example, as 1329987961 + 120012025 = 36469^2 + 10955^2 .

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, 90545 + ... + 105348.

Almost surely, 2^1449999986 is an apocalyptic number.

1449999986 is a deficient number, since it is larger than the sum of its proper divisors (725598778).

1449999986 is a wasteful number, since it uses less digits than its factorization.

1449999986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199596.

The product of its digits is 45349632, while the sum is 68.

The square root of 1449999986 is about 38078.8653454905. The cubic root of 1449999986 is about 1131.8511923202.

The spelling of 1449999986 in words is "one billion, four hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-six".