214701638 has 8 divisors (see below), whose sum is σ = 322134840. Its totient is φ = 107323360.

The previous prime is 214701637. The next prime is 214701667. The reversal of 214701638 is 836107412.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214701631) 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, 1928 + ... + 20811.

It is an arithmetic number, because the mean of its divisors is an integer number (40266855).

Almost surely, 2^214701638 is an apocalyptic number.

214701638 is a deficient number, since it is larger than the sum of its proper divisors (107433202).

214701638 is a wasteful number, since it uses less digits than its factorization.

214701638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27462.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 214701638 is about 14652.7007066957. The cubic root of 214701638 is about 598.7953961306.

The spelling of 214701638 in words is "two hundred fourteen million, seven hundred one thousand, six hundred thirty-eight".