1968330 has 96 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 411264.

The previous prime is 1968301. The next prime is 1968331. The reversal of 1968330 is 338691.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1968331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19059 + ... + 19161.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2^1968330 is an apocalyptic number.

1968330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1968330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987712).

1968330 is an abundant number, since it is smaller than the sum of its proper divisors (4007094).

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

1968330 is a wasteful number, since it uses less digits than its factorization.

1968330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1968330 is about 1402.9718457617. The cubic root of 1968330 is about 125.3235352106.

The spelling of 1968330 in words is "one million, nine hundred sixty-eight thousand, three hundred thirty".