206701489 has 8 divisors (see below), whose sum is σ = 210318632. Its totient is φ = 203091840.

The previous prime is 206701477. The next prime is 206701501. The reversal of 206701489 is 984107602.

It is an interprime number because it is at equal distance from previous prime (206701477) and next prime (206701501).

It can be written as a sum of positive squares in 4 ways, for example, as 3211264 + 203490225 = 1792^2 + 14265^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206701489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206701289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105967 + ... + 107899.

It is an arithmetic number, because the mean of its divisors is an integer number (26289829).

Almost surely, 2^206701489 is an apocalyptic number.

It is an amenable number.

206701489 is a deficient number, since it is larger than the sum of its proper divisors (3617143).

206701489 is a wasteful number, since it uses less digits than its factorization.

206701489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 206701489 is about 14377.1168528325. The cubic root of 206701489 is about 591.2636794926.

The spelling of 206701489 in words is "two hundred six million, seven hundred one thousand, four hundred eighty-nine".