1966349 has 8 divisors (see below), whose sum is σ = 2451648. Its totient is φ = 1532160.

The previous prime is 1966343. The next prime is 1966381. The reversal of 1966349 is 9436691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1966349 - 2¹⁶ = 1900813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12692 + ... + 12845.

It is an arithmetic number, because the mean of its divisors is an integer number (306456).

2^1966349 is an apocalyptic number.

It is an amenable number.

1966349 is a deficient number, since it is larger than the sum of its proper divisors (485299).

1966349 is a wasteful number, since it uses less digits than its factorization.

1966349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555.

The product of its digits is 34992, while the sum is 38.

The square root of 1966349 is about 1402.2656666980. The cubic root of 1966349 is about 125.2814776867.

The spelling of 1966349 in words is "one million, nine hundred sixty-six thousand, three hundred forty-nine".