4077813 has 4 divisors (see below), whose sum is σ = 5437088. Its totient is φ = 2718540.

The previous prime is 4077781. The next prime is 4077817. The reversal of 4077813 is 3187704.

It is a happy number.

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 not a de Polignac number, because 4077813 - 2⁵ = 4077781 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4077817) 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, 679633 + ... + 679638.

It is an arithmetic number, because the mean of its divisors is an integer number (1359272).

Almost surely, 2^4077813 is an apocalyptic number.

It is an amenable number.

4077813 is a deficient number, since it is larger than the sum of its proper divisors (1359275).

4077813 is a wasteful number, since it uses less digits than its factorization.

4077813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359274.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 4077813 is about 2019.3595519372. The cubic root of 4077813 is about 159.7628387437.

The spelling of 4077813 in words is "four million, seventy-seven thousand, eight hundred thirteen".