1966368 has 24 divisors (see below), whose sum is σ = 5161968. Its totient is φ = 655424.

The previous prime is 1966343. The next prime is 1966381. The reversal of 1966368 is 8636691.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1966368² = 7733206222848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10146 + ... + 10337.

It is an arithmetic number, because the mean of its divisors is an integer number (215082).

2^1966368 is an apocalyptic number.

It is an amenable number.

1966368 is an abundant number, since it is smaller than the sum of its proper divisors (3195600).

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

1966368 is a wasteful number, since it uses less digits than its factorization.

1966368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20496 (or 20488 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 1966368 is about 1402.2724414321. The cubic root of 1966368 is about 125.2818811994.

The spelling of 1966368 in words is "one million, nine hundred sixty-six thousand, three hundred sixty-eight".