289942794 has 16 divisors (see below), whose sum is σ = 644317440. Its totient is φ = 96647580.

The previous prime is 289942759. The next prime is 289942799. The reversal of 289942794 is 497249982.

289942794 is a `hidden beast` number, since 289 + 94 + 279 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 5369311 = 289942794 / (2 + 8 + 9 + 9 + 4 + 2 + 7 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 289942794.

It is not an unprimeable number, because it can be changed into a prime (289942799) 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, 2684602 + ... + 2684709.

It is an arithmetic number, because the mean of its divisors is an integer number (40269840).

Almost surely, 2^289942794 is an apocalyptic number.

289942794 is an abundant number, since it is smaller than the sum of its proper divisors (354374646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289942794 is a wasteful number, since it uses less digits than its factorization.

289942794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369322 (or 5369316 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 289942794 is about 17027.7066570927. The cubic root of 289942794 is about 661.8670686560.

The spelling of 289942794 in words is "two hundred eighty-nine million, nine hundred forty-two thousand, seven hundred ninety-four".