4099788 has 192 divisors, whose sum is σ = 14515200. Its totient is φ = 967680.

The previous prime is 4099729. The next prime is 4099789. The reversal of 4099788 is 8879904.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4099789) 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 63 ways as a sum of consecutive naturals, for example, 141358 + ... + 141386.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

Almost surely, 2^4099788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4099788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7257600).

4099788 is an abundant number, since it is smaller than the sum of its proper divisors (10415412).

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

4099788 is a wasteful number, since it uses less digits than its factorization.

4099788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4099788 is about 2024.7933227863. The cubic root of 4099788 is about 160.0493077198.

The spelling of 4099788 in words is "four million, ninety-nine thousand, seven hundred eighty-eight".