288461730 has 16 divisors (see below), whose sum is σ = 692308224. Its totient is φ = 76923120.

The previous prime is 288461717. The next prime is 288461737. The reversal of 288461730 is 37164882.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (288461737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4807666 + ... + 4807725.

It is an arithmetic number, because the mean of its divisors is an integer number (43269264).

Almost surely, 2^288461730 is an apocalyptic number.

288461730 is an abundant number, since it is smaller than the sum of its proper divisors (403846494).

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

288461730 is a wasteful number, since it uses less digits than its factorization.

288461730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9615401.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 288461730 is about 16984.1611509076. The cubic root of 288461730 is about 660.7381777495.

The spelling of 288461730 in words is "two hundred eighty-eight million, four hundred sixty-one thousand, seven hundred thirty".