214684019 has 4 divisors (see below), whose sum is σ = 234200760. Its totient is φ = 195167280.

The previous prime is 214684003. The next prime is 214684031. The reversal of 214684019 is 910486412.

It is a happy number.

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

It is not a de Polignac number, because 214684019 - 2⁴ = 214684003 is a prime.

It is a super-2 number, since 2×214684019² = 92178456027984722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214684019.

It is not an unprimeable number, because it can be changed into a prime (214684039) 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, 9758354 + ... + 9758375.

It is an arithmetic number, because the mean of its divisors is an integer number (58550190).

Almost surely, 2^214684019 is an apocalyptic number.

214684019 is a deficient number, since it is larger than the sum of its proper divisors (19516741).

214684019 is a wasteful number, since it uses less digits than its factorization.

214684019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19516740.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 214684019 is about 14652.0994741368. The cubic root of 214684019 is about 598.7790160900.

The spelling of 214684019 in words is "two hundred fourteen million, six hundred eighty-four thousand, nineteen".