4288732 has 24 divisors (see below), whose sum is σ = 8678880. Its totient is φ = 1816320.

The previous prime is 4288729. The next prime is 4288733. The reversal of 4288732 is 2378824.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4¹¹ + 2 + 8³ + 8⁵ + 7² + 3¹⁰ + 2¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4288733) 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, 1632 + ... + 3352.

It is an arithmetic number, because the mean of its divisors is an integer number (361620).

Almost surely, 2^4288732 is an apocalyptic number.

It is an amenable number.

4288732 is an abundant number, since it is smaller than the sum of its proper divisors (4390148).

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

4288732 is a wasteful number, since it uses less digits than its factorization.

4288732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1819 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 4288732 is about 2070.9253970146. The cubic root of 4288732 is about 162.4711680603.

The spelling of 4288732 in words is "four million, two hundred eighty-eight thousand, seven hundred thirty-two".