4099140 has 48 divisors (see below), whose sum is σ = 12754560. Its totient is φ = 1092960.

The previous prime is 4099133. The next prime is 4099141. The reversal of 4099140 is 419904.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4099141) 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, 3256 + ... + 4335.

It is an arithmetic number, because the mean of its divisors is an integer number (265720).

Almost surely, 2^4099140 is an apocalyptic number.

It is an amenable number.

4099140 is an abundant number, since it is smaller than the sum of its proper divisors (8655420).

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

4099140 is a wasteful number, since it uses less digits than its factorization.

4099140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609 (or 7601 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4099140 is about 2024.6333001312. The cubic root of 4099140 is about 160.0408749735.

The spelling of 4099140 in words is "four million, ninety-nine thousand, one hundred forty".