4099964 has 36 divisors (see below), whose sum is σ = 8110872. Its totient is φ = 1811040.

The previous prime is 4099961. The next prime is 4099981. The reversal of 4099964 is 4699904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20714 + ... + 20910.

It is an arithmetic number, because the mean of its divisors is an integer number (225302).

Almost surely, 2^4099964 is an apocalyptic number.

4099964 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4099964 is a deficient number, since it is larger than the sum of its proper divisors (4010908).

4099964 is a wasteful number, since it uses less digits than its factorization.

4099964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 4099964 is about 2024.8367835458. The cubic root of 4099964 is about 160.0515979419.

The spelling of 4099964 in words is "four million, ninety-nine thousand, nine hundred sixty-four".