289796890 has 16 divisors (see below), whose sum is σ = 525618720. Its totient is φ = 115033360.

The previous prime is 289796887. The next prime is 289796891. The reversal of 289796890 is 98697982.

It is not an unprimeable number, because it can be changed into a prime (289796891) 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, 109300 + ... + 111919.

It is an arithmetic number, because the mean of its divisors is an integer number (32851170).

Almost surely, 2^289796890 is an apocalyptic number.

289796890 is a deficient number, since it is larger than the sum of its proper divisors (235821830).

289796890 is a wasteful number, since it uses less digits than its factorization.

289796890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221357.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The square root of 289796890 is about 17023.4218064407. The cubic root of 289796890 is about 661.7560292169.

The spelling of 289796890 in words is "two hundred eighty-nine million, seven hundred ninety-six thousand, eight hundred ninety".