4088313 has 20 divisors (see below), whose sum is σ = 6468660. Its totient is φ = 2564352.

The previous prime is 4088309. The next prime is 4088317. The reversal of 4088313 is 3138804.

It is an interprime number because it is at equal distance from previous prime (4088309) and next prime (4088317).

It can be written as a sum of positive squares in 2 ways, for example, as 1225449 + 2862864 = 1107^2 + 1692^2 .

It is not a de Polignac number, because 4088313 - 2² = 4088309 is a prime.

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

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4088317) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 108 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (323433).

Almost surely, 2^4088313 is an apocalyptic number.

It is an amenable number.

4088313 is a deficient number, since it is larger than the sum of its proper divisors (2380347).

4088313 is a wasteful number, since it uses less digits than its factorization.

4088313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998 (or 2989 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4088313 is about 2021.9577146914. The cubic root of 4088313 is about 159.8998461748.

The spelling of 4088313 in words is "four million, eighty-eight thousand, three hundred thirteen".