2445986 has 4 divisors (see below), whose sum is σ = 3668982. Its totient is φ = 1222992.

The previous prime is 2445979. The next prime is 2445991. The reversal of 2445986 is 6895442.

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., 1836025 + 609961 = 1355^2 + 781^2 .

It is a d-powerful number, because it can be written as 2¹³ + 4⁴ + 4⁹ + 5⁷ + 9² + 8⁷ + 6² .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611495 + ... + 611498.

2^2445986 is an apocalyptic number.

2445986 is a deficient number, since it is larger than the sum of its proper divisors (1222996).

2445986 is a wasteful number, since it uses less digits than its factorization.

2445986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222995.

The product of its digits is 69120, while the sum is 38.

The square root of 2445986 is about 1563.9648333642. The cubic root of 2445986 is about 134.7363119914.

The spelling of 2445986 in words is "two million, four hundred forty-five thousand, nine hundred eighty-six".