1190646 has 32 divisors (see below), whose sum is σ = 2803680. Its totient is φ = 373248.

The previous prime is 1190639. The next prime is 1190647. The reversal of 1190646 is 6460911.

1190646 is a `hidden beast` number, since 1 + 19 + 0 + 646 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (87615).

2^1190646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1190646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401840).

1190646 is an abundant number, since it is smaller than the sum of its proper divisors (1613034).

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

1190646 is a wasteful number, since it uses less digits than its factorization.

1190646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325 (or 1319 counting only the distinct ones).

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

The square root of 1190646 is about 1091.1672649049. The cubic root of 1190646 is about 105.9890222404.

The spelling of 1190646 in words is "one million, one hundred ninety thousand, six hundred forty-six".