4097778 has 16 divisors (see below), whose sum is σ = 8222016. Its totient is φ = 1361520.

The previous prime is 4097777. The next prime is 4097783. The reversal of 4097778 is 8777904.

It is not an unprimeable number, because it can be changed into a prime (4097773) by changing a digit.

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, 1323 + ... + 3153.

It is an arithmetic number, because the mean of its divisors is an integer number (513876).

Almost surely, 2^4097778 is an apocalyptic number.

4097778 is an abundant number, since it is smaller than the sum of its proper divisors (4124238).

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

4097778 is a wasteful number, since it uses less digits than its factorization.

4097778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 4097778 is about 2024.2969149806. The cubic root of 4097778 is about 160.0231476927.

The spelling of 4097778 in words is "four million, ninety-seven thousand, seven hundred seventy-eight".