289996790 has 16 divisors (see below), whose sum is σ = 522719568. Its totient is φ = 115837536.

The previous prime is 289996783. The next prime is 289996793. The reversal of 289996790 is 97699982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289996793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12452 + ... + 27111.

It is an arithmetic number, because the mean of its divisors is an integer number (32669973).

Almost surely, 2^289996790 is an apocalyptic number.

289996790 is a deficient number, since it is larger than the sum of its proper divisors (232722778).

289996790 is a wasteful number, since it uses less digits than its factorization.

289996790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40303.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The square root of 289996790 is about 17029.2921168204. The cubic root of 289996790 is about 661.9081525718.

The spelling of 289996790 in words is "two hundred eighty-nine million, nine hundred ninety-six thousand, seven hundred ninety".