4078512 has 60 divisors (see below), whose sum is σ = 11848200. Its totient is φ = 1358208.

The previous prime is 4078511. The next prime is 4078513. The reversal of 4078512 is 2158704.

4078512 is nontrivially palindromic in base 7.

It is an interprime number because it is at equal distance from previous prime (4078511) and next prime (4078513).

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 (4078511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3364 + ... + 4412.

It is an arithmetic number, because the mean of its divisors is an integer number (197470).

Almost surely, 2^4078512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4078512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5924100).

4078512 is an abundant number, since it is smaller than the sum of its proper divisors (7769688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4078512 is a wasteful number, since it uses less digits than its factorization.

4078512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 4078512 is about 2019.5326191968. The cubic root of 4078512 is about 159.7719668265.

The spelling of 4078512 in words is "four million, seventy-eight thousand, five hundred twelve".