1199904 has 48 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 385280.

The previous prime is 1199899. The next prime is 1199909. The reversal of 1199904 is 4099911.

It is an interprime number because it is at equal distance from previous prime (1199899) and next prime (1199909).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2569 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2^1199904 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 1199904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632960).

1199904 is an abundant number, since it is smaller than the sum of its proper divisors (2066016).

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

1199904 is a wasteful number, since it uses less digits than its factorization.

1199904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 1199904 is about 1095.4012963293. The cubic root of 1199904 is about 106.2630230865.

The spelling of 1199904 in words is "one million, one hundred ninety-nine thousand, nine hundred four".