214356398 has 4 divisors (see below), whose sum is σ = 321534600. Its totient is φ = 107178198.

The previous prime is 214356391. The next prime is 214356403. The reversal of 214356398 is 893653412.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214356391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53589098 + ... + 53589101.

It is an arithmetic number, because the mean of its divisors is an integer number (80383650).

Almost surely, 2^214356398 is an apocalyptic number.

214356398 is a deficient number, since it is larger than the sum of its proper divisors (107178202).

214356398 is a wasteful number, since it uses less digits than its factorization.

214356398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107178201.

The product of its digits is 155520, while the sum is 41.

The square root of 214356398 is about 14640.9152036340. The cubic root of 214356398 is about 598.4742698306.

The spelling of 214356398 in words is "two hundred fourteen million, three hundred fifty-six thousand, three hundred ninety-eight".