4158078 has 32 divisors (see below), whose sum is σ = 8985600. Its totient is φ = 1278816.

The previous prime is 4158073. The next prime is 4158083. The reversal of 4158078 is 8708514.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4158073) and next prime (4158083).

It is a super-2 number, since 2×4158078² = 34579225308168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4158073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3483 + ... + 4521.

It is an arithmetic number, because the mean of its divisors is an integer number (280800).

Almost surely, 2^4158078 is an apocalyptic number.

4158078 is an abundant number, since it is smaller than the sum of its proper divisors (4827522).

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

4158078 is a wasteful number, since it uses less digits than its factorization.

4158078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 4158078 is about 2039.1365819876. The cubic root of 4158078 is about 160.8042578264.

The spelling of 4158078 in words is "four million, one hundred fifty-eight thousand, seventy-eight".