19340668 has 12 divisors (see below), whose sum is σ = 33968592. Its totient is φ = 9635360.

The previous prime is 19340663. The next prime is 19340719. The reversal of 19340668 is 86604391.

It is a super-2 number, since 2×19340668² = 748122877372448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19340663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7480 + ... + 9727.

It is an arithmetic number, because the mean of its divisors is an integer number (2830716).

Almost surely, 2^19340668 is an apocalyptic number.

It is an amenable number.

19340668 is a deficient number, since it is larger than the sum of its proper divisors (14627924).

19340668 is a wasteful number, since it uses less digits than its factorization.

19340668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17492 (or 17490 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 19340668 is about 4397.8026331340. The cubic root of 19340668 is about 268.4255324883.

The spelling of 19340668 in words is "nineteen million, three hundred forty thousand, six hundred sixty-eight".