4078913 has 4 divisors (see below), whose sum is σ = 4091568. Its totient is φ = 4066260.

The previous prime is 4078897. The next prime is 4078951. The reversal of 4078913 is 3198704.

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 not a de Polignac number, because 4078913 - 2⁴ = 4078897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4078913.

It is not an unprimeable number, because it can be changed into a prime (4078993) 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, 5831 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (1022892).

Almost surely, 2^4078913 is an apocalyptic number.

It is an amenable number.

4078913 is a deficient number, since it is larger than the sum of its proper divisors (12655).

4078913 is a wasteful number, since it uses less digits than its factorization.

4078913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12654.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 4078913 is about 2019.6318971535. The cubic root of 4078913 is about 159.7772029240. Note that the first 3 decimals are identical.

The spelling of 4078913 in words is "four million, seventy-eight thousand, nine hundred thirteen".