214163998 has 4 divisors (see below), whose sum is σ = 321246000. Its totient is φ = 107081998.

The previous prime is 214163981. The next prime is 214164053. The reversal of 214163998 is 899361412.

It is a happy number.

214163998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53540998 + ... + 53541001.

It is an arithmetic number, because the mean of its divisors is an integer number (80311500).

Almost surely, 2^214163998 is an apocalyptic number.

214163998 is a deficient number, since it is larger than the sum of its proper divisors (107082002).

214163998 is a wasteful number, since it uses less digits than its factorization.

214163998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107082001.

The product of its digits is 93312, while the sum is 43.

The square root of 214163998 is about 14634.3431010756. The cubic root of 214163998 is about 598.2951585958.

The spelling of 214163998 in words is "two hundred fourteen million, one hundred sixty-three thousand, nine hundred ninety-eight".