1194640 has 40 divisors (see below), whose sum is σ = 2823480. Its totient is φ = 470016.

The previous prime is 1194631. The next prime is 1194659. The reversal of 1194640 is 464911.

It can be written as a sum of positive squares in 4 ways, for example, as 242064 + 952576 = 492^2 + 976^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8652 + ... + 8788.

It is an arithmetic number, because the mean of its divisors is an integer number (70587).

2^1194640 is an apocalyptic number.

1194640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1194640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411740).

1194640 is an abundant number, since it is smaller than the sum of its proper divisors (1628840).

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

1194640 is a wasteful number, since it uses less digits than its factorization.

1194640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1194640 is about 1092.9958828834. The cubic root of 1194640 is about 106.1074027092.

The spelling of 1194640 in words is "one million, one hundred ninety-four thousand, six hundred forty".