289529490 has 16 divisors (see below), whose sum is σ = 694870848. Its totient is φ = 77207856.

The previous prime is 289529483. The next prime is 289529501. The reversal of 289529490 is 94925982.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4825462 + ... + 4825521.

It is an arithmetic number, because the mean of its divisors is an integer number (43429428).

Almost surely, 2^289529490 is an apocalyptic number.

289529490 is an abundant number, since it is smaller than the sum of its proper divisors (405341358).

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

289529490 is a wasteful number, since it uses less digits than its factorization.

289529490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9650993.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 289529490 is about 17015.5661087135. The cubic root of 289529490 is about 661.5524291299.

It can be divided in two parts, 2895 and 29490, that added together give a triangular number (32385 = T₂₅₄).

The spelling of 289529490 in words is "two hundred eighty-nine million, five hundred twenty-nine thousand, four hundred ninety".