288670452 has 48 divisors (see below), whose sum is σ = 773230080. Its totient is φ = 82108512.

The previous prime is 288670441. The next prime is 288670453. The reversal of 288670452 is 254076882.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288670453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11499 + ... + 26637.

It is an arithmetic number, because the mean of its divisors is an integer number (16108960).

Almost surely, 2^288670452 is an apocalyptic number.

It is an amenable number.

288670452 is an abundant number, since it is smaller than the sum of its proper divisors (484559628).

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

288670452 is a wasteful number, since it uses less digits than its factorization.

288670452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15380 (or 15378 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 288670452 is about 16990.3046470627. The cubic root of 288670452 is about 660.8975025754.

The spelling of 288670452 in words is "two hundred eighty-eight million, six hundred seventy thousand, four hundred fifty-two".