1190340 has 72 divisors (see below), whose sum is σ = 3832920. Its totient is φ = 297984.

The previous prime is 1190311. The next prime is 1190347. The reversal of 1190340 is 430911.

It can be written as a sum of positive squares in 4 ways, for example, as 125316 + 1065024 = 354^2 + 1032^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2866 + ... + 3254.

It is an arithmetic number, because the mean of its divisors is an integer number (53235).

2^1190340 is an apocalyptic number.

1190340 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 1190340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916460).

1190340 is an abundant number, since it is smaller than the sum of its proper divisors (2642580).

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

1190340 is a wasteful number, since it uses less digits than its factorization.

1190340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1190340 is about 1091.0270390783. The cubic root of 1190340 is about 105.9799416181.

The spelling of 1190340 in words is "one million, one hundred ninety thousand, three hundred forty".