4078313 has 4 divisors (see below), whose sum is σ = 4093008. Its totient is φ = 4063620.

The previous prime is 4078301. The next prime is 4078339. The reversal of 4078313 is 3138704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4078313 is a prime.

It is a super-4 number, since 4×4078313⁴ (a number of 28 digits) contains 4444 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4078343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6923 + ... + 7488.

It is an arithmetic number, because the mean of its divisors is an integer number (1023252).

Almost surely, 2^4078313 is an apocalyptic number.

It is an amenable number.

4078313 is a deficient number, since it is larger than the sum of its proper divisors (14695).

4078313 is a wasteful number, since it uses less digits than its factorization.

4078313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14694.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4078313 is about 2019.4833497704. The cubic root of 4078313 is about 159.7693682368.

The spelling of 4078313 in words is "four million, seventy-eight thousand, three hundred thirteen".