289369476 has 48 divisors (see below), whose sum is σ = 818422080. Its totient is φ = 87687360.

The previous prime is 289369471. The next prime is 289369579. The reversal of 289369476 is 674963982.

It is a happy number.

289369476 is a `hidden beast` number, since 28 + 93 + 69 + 476 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289369471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120601 + ... + 122976.

It is an arithmetic number, because the mean of its divisors is an integer number (17050460).

Almost surely, 2^289369476 is an apocalyptic number.

It is an amenable number.

289369476 is an abundant number, since it is smaller than the sum of its proper divisors (529052604).

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

289369476 is a wasteful number, since it uses less digits than its factorization.

289369476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243601 (or 243593 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 289369476 is about 17010.8634701475. The cubic root of 289369476 is about 661.4305334779.

The spelling of 289369476 in words is "two hundred eighty-nine million, three hundred sixty-nine thousand, four hundred seventy-six".