289007949 has 32 divisors (see below), whose sum is σ = 411151104. Its totient is φ = 180195840.

The previous prime is 289007933. The next prime is 289007959. The reversal of 289007949 is 949700982.

It is a happy number.

It is not a de Polignac number, because 289007949 - 2⁴ = 289007933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289007898 and 289007907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289007959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 911539 + ... + 911855.

It is an arithmetic number, because the mean of its divisors is an integer number (12848472).

Almost surely, 2^289007949 is an apocalyptic number.

It is an amenable number.

289007949 is a deficient number, since it is larger than the sum of its proper divisors (122143155).

289007949 is a wasteful number, since it uses less digits than its factorization.

289007949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 289007949 is about 17000.2337925100. The cubic root of 289007949 is about 661.1549634657.

The spelling of 289007949 in words is "two hundred eighty-nine million, seven thousand, nine hundred forty-nine".