19782014 has 8 divisors (see below), whose sum is σ = 33912048. Its totient is φ = 8478000.

The previous prime is 19782011. The next prime is 19782017. The reversal of 19782014 is 41028791.

It is an interprime number because it is at equal distance from previous prime (19782011) and next prime (19782017).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19782011) 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, 706487 + ... + 706514.

It is an arithmetic number, because the mean of its divisors is an integer number (4239006).

Almost surely, 2^19782014 is an apocalyptic number.

19782014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19782014 is a deficient number, since it is larger than the sum of its proper divisors (14130034).

19782014 is a wasteful number, since it uses less digits than its factorization.

19782014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413010.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 19782014 is about 4447.6976066275. The cubic root of 19782014 is about 270.4519818688.

The spelling of 19782014 in words is "nineteen million, seven hundred eighty-two thousand, fourteen".