289670372 has 24 divisors (see below), whose sum is σ = 530589696. Its totient is φ = 138112128.

The previous prime is 289670369. The next prime is 289670393. The reversal of 289670372 is 273076982.

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, 26333 + ... + 35675.

It is an arithmetic number, because the mean of its divisors is an integer number (22107904).

Almost surely, 2^289670372 is an apocalyptic number.

It is an amenable number.

289670372 is a deficient number, since it is larger than the sum of its proper divisors (240919324).

289670372 is a wasteful number, since it uses less digits than its factorization.

289670372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9707 (or 9705 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 289670372 is about 17019.7054028558. The cubic root of 289670372 is about 661.6597132118.

The spelling of 289670372 in words is "two hundred eighty-nine million, six hundred seventy thousand, three hundred seventy-two".