289274867 has 8 divisors (see below), whose sum is σ = 348000000. Its totient is φ = 234899784.

The previous prime is 289274849. The next prime is 289274891. The reversal of 289274867 is 768472982.

It is a happy number.

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

It is not a de Polignac number, because 289274867 - 2¹⁰ = 289273843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289274827) 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, 1087367 + ... + 1087632.

It is an arithmetic number, because the mean of its divisors is an integer number (43500000).

Almost surely, 2^289274867 is an apocalyptic number.

289274867 is a deficient number, since it is larger than the sum of its proper divisors (58725133).

289274867 is a wasteful number, since it uses less digits than its factorization.

289274867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175025.

The product of its digits is 2709504, while the sum is 53.

The square root of 289274867 is about 17008.0824021993. The cubic root of 289274867 is about 661.3584409830.

The spelling of 289274867 in words is "two hundred eighty-nine million, two hundred seventy-four thousand, eight hundred sixty-seven".