4288386 has 16 divisors (see below), whose sum is σ = 9081504. Its totient is φ = 1345344.

The previous prime is 4288321. The next prime is 4288391. The reversal of 4288386 is 6838824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20920 + ... + 21123.

It is an arithmetic number, because the mean of its divisors is an integer number (567594).

Almost surely, 2^4288386 is an apocalyptic number.

4288386 is an abundant number, since it is smaller than the sum of its proper divisors (4793118).

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

4288386 is a wasteful number, since it uses less digits than its factorization.

4288386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42065.

The product of its digits is 73728, while the sum is 39.

The square root of 4288386 is about 2070.8418577960. The cubic root of 4288386 is about 162.4667987396.

The spelling of 4288386 in words is "four million, two hundred eighty-eight thousand, three hundred eighty-six".