4078916 has 6 divisors (see below), whose sum is σ = 7138110. Its totient is φ = 2039456.

The previous prime is 4078897. The next prime is 4078951. The reversal of 4078916 is 6198704.

It can be written as a sum of positive squares in only one way, i.e., 3276100 + 802816 = 1810^2 + 896^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509861 + ... + 509868.

It is an arithmetic number, because the mean of its divisors is an integer number (1189685).

Almost surely, 2^4078916 is an apocalyptic number.

It is an amenable number.

4078916 is a deficient number, since it is larger than the sum of its proper divisors (3059194).

4078916 is a wasteful number, since it uses less digits than its factorization.

4078916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019733 (or 1019731 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 4078916 is about 2019.6326398630. The cubic root of 4078916 is about 159.7772420955. Note that the first 3 decimals are identical.

It can be divided in two parts, 4078 and 916, that added together give a palindrome (4994).

The spelling of 4078916 in words is "four million, seventy-eight thousand, nine hundred sixteen".