4078792 has 16 divisors (see below), whose sum is σ = 7911900. Its totient is φ = 1968960.

The previous prime is 4078783. The next prime is 4078799. The reversal of 4078792 is 2978704.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4024036 + 54756 = 2006^2 + 234^2 .

It is an Ulam 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 3 ways as a sum of consecutive naturals, for example, 8559 + ... + 9022.

Almost surely, 2^4078792 is an apocalyptic number.

It is an amenable number.

4078792 is a deficient number, since it is larger than the sum of its proper divisors (3833108).

4078792 is a wasteful number, since it uses less digits than its factorization.

4078792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17616 (or 17612 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 4078792 is about 2019.6019409775. The cubic root of 4078792 is about 159.7756229906.

The spelling of 4078792 in words is "four million, seventy-eight thousand, seven hundred ninety-two".