4078791 has 6 divisors (see below), whose sum is σ = 5891600. Its totient is φ = 2719188.

The previous prime is 4078783. The next prime is 4078799. The reversal of 4078791 is 1978704.

It is an interprime number because it is at equal distance from previous prime (4078783) and next prime (4078799).

It is not a de Polignac number, because 4078791 - 2³ = 4078783 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226591 + ... + 226608.

Almost surely, 2^4078791 is an apocalyptic number.

4078791 is a deficient number, since it is larger than the sum of its proper divisors (1812809).

4078791 is a wasteful number, since it uses less digits than its factorization.

4078791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453205 (or 453202 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 4078791 is about 2019.6016934039. The cubic root of 4078791 is about 159.7756099331.

The spelling of 4078791 in words is "four million, seventy-eight thousand, seven hundred ninety-one".