288478966 has 8 divisors (see below), whose sum is σ = 440052840. Its totient is φ = 141794688.

The previous prime is 288478961. The next prime is 288478969. The reversal of 288478966 is 669874882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×288478966² = 166440227648858312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 288478966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288478961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222251 + ... + 1222486.

It is an arithmetic number, because the mean of its divisors is an integer number (55006605).

Almost surely, 2^288478966 is an apocalyptic number.

288478966 is a deficient number, since it is larger than the sum of its proper divisors (151573874).

288478966 is a wasteful number, since it uses less digits than its factorization.

288478966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444798.

The product of its digits is 9289728, while the sum is 58.

The square root of 288478966 is about 16984.6685572607. The cubic root of 288478966 is about 660.7513375038.

It can be divided in two parts, 288478 and 966, that added together give a square (289444 = 538²).

The spelling of 288478966 in words is "two hundred eighty-eight million, four hundred seventy-eight thousand, nine hundred sixty-six".