289070 has 16 divisors (see below), whose sum is σ = 526608. Its totient is φ = 114240.

The previous prime is 289067. The next prime is 289099. The reversal of 289070 is 70982.

It is a super-2 number, since 2×289070² = 167122929800, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265 + ... + 1475.

It is an arithmetic number, because the mean of its divisors is an integer number (32913).

2²⁸⁹⁰⁷⁰ is an apocalyptic number.

289070 is a deficient number, since it is larger than the sum of its proper divisors (237538).

289070 is a wasteful number, since it uses less digits than its factorization.

289070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 289070 is about 537.6523040032. The cubic root of 289070 is about 66.1202277494.

The spelling of 289070 in words is "two hundred eighty-nine thousand, seventy".