4078132 has 6 divisors (see below), whose sum is σ = 7136738. Its totient is φ = 2039064.

The previous prime is 4078117. The next prime is 4078133. The reversal of 4078132 is 2318704.

It can be written as a sum of positive squares in only one way, i.e., 3663396 + 414736 = 1914^2 + 644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4078097 and 4078106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509763 + ... + 509770.

Almost surely, 2^4078132 is an apocalyptic number.

It is an amenable number.

4078132 is a deficient number, since it is larger than the sum of its proper divisors (3058606).

4078132 is a wasteful number, since it uses less digits than its factorization.

4078132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019537 (or 1019535 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4078132 is about 2019.4385358312. The cubic root of 4078132 is about 159.7670046219.

The spelling of 4078132 in words is "four million, seventy-eight thousand, one hundred thirty-two".