288938485 has 16 divisors (see below), whose sum is σ = 378590400. Its totient is φ = 209946240.

The previous prime is 288938483. The next prime is 288938537. The reversal of 288938485 is 584839882.

It is a happy number.

It is not a de Polignac number, because 288938485 - 2¹ = 288938483 is a prime.

It is a super-2 number, since 2×288938485² = 166970896228190450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288938483) 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, 93241 + ... + 96289.

It is an arithmetic number, because the mean of its divisors is an integer number (23661900).

Almost surely, 2^288938485 is an apocalyptic number.

It is an amenable number.

288938485 is a deficient number, since it is larger than the sum of its proper divisors (89651915).

288938485 is a wasteful number, since it uses less digits than its factorization.

288938485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788.

The product of its digits is 4423680, while the sum is 55.

The square root of 288938485 is about 16998.1906390063. The cubic root of 288938485 is about 661.1019889730.

The spelling of 288938485 in words is "two hundred eighty-eight million, nine hundred thirty-eight thousand, four hundred eighty-five".