289988954 has 4 divisors (see below), whose sum is σ = 434983434. Its totient is φ = 144994476.

The previous prime is 289988927. The next prime is 289988957. The reversal of 289988954 is 459889982.

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

It can be written as a sum of positive squares in only one way, i.e., 289918729 + 70225 = 17027^2 + 265^2 .

It is not an unprimeable number, because it can be changed into a prime (289988957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72497237 + ... + 72497240.

Almost surely, 2^289988954 is an apocalyptic number.

289988954 is a deficient number, since it is larger than the sum of its proper divisors (144994480).

289988954 is a wasteful number, since it uses less digits than its factorization.

289988954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144994479.

The product of its digits is 14929920, while the sum is 62.

The square root of 289988954 is about 17029.0620411108. The cubic root of 289988954 is about 661.9021907138.

The spelling of 289988954 in words is "two hundred eighty-nine million, nine hundred eighty-eight thousand, nine hundred fifty-four".