289429930 has 64 divisors (see below), whose sum is σ = 583511040. Its totient is φ = 102795264.

The previous prime is 289429927. The next prime is 289429937. The reversal of 289429930 is 39924982.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (289429937) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 308422 + ... + 309358.

It is an arithmetic number, because the mean of its divisors is an integer number (9117360).

Almost surely, 2^289429930 is an apocalyptic number.

289429930 is an abundant number, since it is smaller than the sum of its proper divisors (294081110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289429930 is a wasteful number, since it uses less digits than its factorization.

289429930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 289429930 is about 17012.6403006706. The cubic root of 289429930 is about 661.4765914771.

The spelling of 289429930 in words is "two hundred eighty-nine million, four hundred twenty-nine thousand, nine hundred thirty".