289069838 has 16 divisors (see below), whose sum is σ = 457800720. Its totient is φ = 136515456.

The previous prime is 289069831. The next prime is 289069843. The reversal of 289069838 is 838960982.

It is a super-2 number, since 2×289069838² = 167122742482692488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 289069838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289069831) 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, 1520 + ... + 24092.

It is an arithmetic number, because the mean of its divisors is an integer number (28612545).

Almost surely, 2^289069838 is an apocalyptic number.

289069838 is a deficient number, since it is larger than the sum of its proper divisors (168730882).

289069838 is a wasteful number, since it uses less digits than its factorization.

289069838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22931.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 289069838 is about 17002.0539347456. The cubic root of 289069838 is about 661.2021539775.

The spelling of 289069838 in words is "two hundred eighty-nine million, sixty-nine thousand, eight hundred thirty-eight".