2986399 has 12 divisors (see below), whose sum is σ = 3320352. Its totient is φ = 2683200.

The previous prime is 2986397. The next prime is 2986409. The reversal of 2986399 is 9936892.

2986399 = 703² + 704² + ... + 708².

It is a happy number.

It is not a de Polignac number, because 2986399 - 2¹ = 2986397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2986397) 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 in 11 ways as a sum of consecutive naturals, for example, 6714 + ... + 7144.

It is an arithmetic number, because the mean of its divisors is an integer number (276696).

2^2986399 is an apocalyptic number.

2986399 is a deficient number, since it is larger than the sum of its proper divisors (333953).

2986399 is a wasteful number, since it uses less digits than its factorization.

2986399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 485 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 2986399 is about 1728.1200768465. The cubic root of 2986399 is about 144.0066708587.

The spelling of 2986399 in words is "two million, nine hundred eighty-six thousand, three hundred ninety-nine".