4013793 has 20 divisors (see below), whose sum is σ = 6853440. Its totient is φ = 2293272.

The previous prime is 4013783. The next prime is 4013827. The reversal of 4013793 is 3973104.

It is not a de Polignac number, because 4013793 - 2⁵ = 4013761 is a prime.

It is a super-2 number, since 2×4013793² = 32221068493698, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (4013783) 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, 2973 + ... + 4106.

It is an arithmetic number, because the mean of its divisors is an integer number (342672).

Almost surely, 2^4013793 is an apocalyptic number.

It is an amenable number.

4013793 is a deficient number, since it is larger than the sum of its proper divisors (2839647).

4013793 is an equidigital number, since it uses as much as digits as its factorization.

4013793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098 (or 7089 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 4013793 is about 2003.4452825071. The cubic root of 4013793 is about 158.9223543994.

Adding to 4013793 its reverse (3973104), we get a palindrome (7986897).

The spelling of 4013793 in words is "four million, thirteen thousand, seven hundred ninety-three".