289753442 has 16 divisors (see below), whose sum is σ = 490492800. Its totient is φ = 127164240.

The previous prime is 289753433. The next prime is 289753463. The reversal of 289753442 is 244357982.

It is a junction number, because it is equal to n+sod(n) for n = 289753393 and 289753402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226442 + ... + 227717.

It is an arithmetic number, because the mean of its divisors is an integer number (30655800).

Almost surely, 2^289753442 is an apocalyptic number.

289753442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

289753442 is a deficient number, since it is larger than the sum of its proper divisors (200739358).

289753442 is a wasteful number, since it uses less digits than its factorization.

289753442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454201.

The product of its digits is 483840, while the sum is 44.

The square root of 289753442 is about 17022.1456344375. The cubic root of 289753442 is about 661.7229561532.

The spelling of 289753442 in words is "two hundred eighty-nine million, seven hundred fifty-three thousand, four hundred forty-two".