4100978 has 16 divisors (see below), whose sum is σ = 7444224. Its totient is φ = 1654080.

The previous prime is 4100963. The next prime is 4100983. The reversal of 4100978 is 8790014.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4100978.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8378 + ... + 8853.

It is an arithmetic number, because the mean of its divisors is an integer number (465264).

Almost surely, 2^4100978 is an apocalyptic number.

4100978 is a deficient number, since it is larger than the sum of its proper divisors (3343246).

4100978 is a wasteful number, since it uses less digits than its factorization.

4100978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17257.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 4100978 is about 2025.0871586181. The cubic root of 4100978 is about 160.0647914677.

The spelling of 4100978 in words is "four million, one hundred thousand, nine hundred seventy-eight".