214009738 has 4 divisors (see below), whose sum is σ = 321014610. Its totient is φ = 107004868.

The previous prime is 214009727. The next prime is 214009759. The reversal of 214009738 is 837900412.

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

It can be written as a sum of positive squares in only one way, i.e., 213247609 + 762129 = 14603^2 + 873^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53502433 + ... + 53502436.

Almost surely, 2^214009738 is an apocalyptic number.

214009738 is a deficient number, since it is larger than the sum of its proper divisors (107004872).

214009738 is a wasteful number, since it uses less digits than its factorization.

214009738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107004871.

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

The square root of 214009738 is about 14629.0716725293. The cubic root of 214009738 is about 598.1514755926.

The spelling of 214009738 in words is "two hundred fourteen million, nine thousand, seven hundred thirty-eight".