214709641 has 4 divisors (see below), whose sum is σ = 214805572. Its totient is φ = 214613712.

The previous prime is 214709639. The next prime is 214709681. The reversal of 214709641 is 146907412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 164583241 + 50126400 = 12829^2 + 7080^2 .

It is a cyclic number.

It is not a de Polignac number, because 214709641 - 2¹ = 214709639 is a prime.

It is a super-2 number, since 2×214709641² = 92200459876697762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214709597 and 214709606.

It is not an unprimeable number, because it can be changed into a prime (214709611) 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 in 3 ways as a sum of consecutive naturals, for example, 44526 + ... + 49111.

It is an arithmetic number, because the mean of its divisors is an integer number (53701393).

Almost surely, 2^214709641 is an apocalyptic number.

It is an amenable number.

214709641 is a deficient number, since it is larger than the sum of its proper divisors (95931).

214709641 is an equidigital number, since it uses as much as digits as its factorization.

214709641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95930.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 214709641 is about 14652.9737937389. The cubic root of 214709641 is about 598.8028360677.

The spelling of 214709641 in words is "two hundred fourteen million, seven hundred nine thousand, six hundred forty-one".