4101978 has 16 divisors (see below), whose sum is σ = 8227296. Its totient is φ = 1363440.

The previous prime is 4101971. The next prime is 4101983. The reversal of 4101978 is 8791014.

It is not an unprimeable number, because it can be changed into a prime (4101971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025 + ... + 3507.

It is an arithmetic number, because the mean of its divisors is an integer number (514206).

Almost surely, 2^4101978 is an apocalyptic number.

4101978 is an abundant number, since it is smaller than the sum of its proper divisors (4125318).

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

4101978 is a wasteful number, since it uses less digits than its factorization.

4101978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 4101978 is about 2025.3340465217. The cubic root of 4101978 is about 160.0778007046.

The spelling of 4101978 in words is "four million, one hundred one thousand, nine hundred seventy-eight".