4311387 has 40 divisors (see below), whose sum is σ = 7108992. Its totient is φ = 2592000.

The previous prime is 4311379. The next prime is 4311403. The reversal of 4311387 is 7831134.

It is not a de Polignac number, because 4311387 - 2³ = 4311379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 4311387.

It is not an unprimeable number, because it can be changed into a prime (4311317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42637 + ... + 42737.

Almost surely, 2^4311387 is an apocalyptic number.

4311387 is a deficient number, since it is larger than the sum of its proper divisors (2797605).

4311387 is a wasteful number, since it uses less digits than its factorization.

4311387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 152 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 4311387 is about 2076.3879695279. The cubic root of 4311387 is about 162.7567475807.

The spelling of 4311387 in words is "four million, three hundred eleven thousand, three hundred eighty-seven".