340420214 has 8 divisors (see below), whose sum is σ = 511749048. Its totient is φ = 169837200.

The previous prime is 340420187. The next prime is 340420237. The reversal of 340420214 is 412024043.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185312 + ... + 187139.

It is an arithmetic number, because the mean of its divisors is an integer number (63968631).

Almost surely, 2^340420214 is an apocalyptic number.

340420214 is a deficient number, since it is larger than the sum of its proper divisors (171328834).

340420214 is a wasteful number, since it uses less digits than its factorization.

340420214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372910.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 340420214 is about 18450.4800479554. The cubic root of 340420214 is about 698.2406252428.

Adding to 340420214 its reverse (412024043), we get a palindrome (752444257).

The spelling of 340420214 in words is "three hundred forty million, four hundred twenty thousand, two hundred fourteen".