19340966 has 4 divisors (see below), whose sum is σ = 29011452. Its totient is φ = 9670482.

The previous prime is 19340963. The next prime is 19340983. The reversal of 19340966 is 66904391.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19340963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4835240 + ... + 4835243.

It is an arithmetic number, because the mean of its divisors is an integer number (7252863).

Almost surely, 2^19340966 is an apocalyptic number.

19340966 is a deficient number, since it is larger than the sum of its proper divisors (9670486).

19340966 is an equidigital number, since it uses as much as digits as its factorization.

19340966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670485.

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

The square root of 19340966 is about 4397.8365135598. The cubic root of 19340966 is about 268.4269111101.

The spelling of 19340966 in words is "nineteen million, three hundred forty thousand, nine hundred sixty-six".