289242600 has 48 divisors (see below), whose sum is σ = 896653920. Its totient is φ = 77131200.

The previous prime is 289242581. The next prime is 289242601. The reversal of 289242600 is 6242982.

It is a super-2 number, since 2×289242600² = 167322563309520000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (289242601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240436 + ... + 241635.

It is an arithmetic number, because the mean of its divisors is an integer number (18680290).

Almost surely, 2^289242600 is an apocalyptic number.

289242600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289242600 is an abundant number, since it is smaller than the sum of its proper divisors (607411320).

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

289242600 is a wasteful number, since it uses less digits than its factorization.

289242600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482090 (or 482081 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 289242600 is about 17007.1337973216. The cubic root of 289242600 is about 661.3338497853. Note that the first 3 decimals are identical.

The spelling of 289242600 in words is "two hundred eighty-nine million, two hundred forty-two thousand, six hundred".