2006998654 has 4 divisors (see below), whose sum is σ = 3010497984. Its totient is φ = 1003499326.

The previous prime is 2006998639. The next prime is 2006998663. The reversal of 2006998654 is 4568996002.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2006998598 and 2006998607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501749662 + ... + 501749665.

It is an arithmetic number, because the mean of its divisors is an integer number (752624496).

Almost surely, 2^2006998654 is an apocalyptic number.

2006998654 is a deficient number, since it is larger than the sum of its proper divisors (1003499330).

2006998654 is a wasteful number, since it uses less digits than its factorization.

2006998654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003499329.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 2006998654 is about 44799.5385467306. The cubic root of 2006998654 is about 1261.3889642359.

The spelling of 2006998654 in words is "two billion, six million, nine hundred ninety-eight thousand, six hundred fifty-four".