214039639 has 16 divisors (see below), whose sum is σ = 253272096. Its totient is φ = 178662400.

The previous prime is 214039627. The next prime is 214039711. The reversal of 214039639 is 936930412.

It is a cyclic number.

It is not a de Polignac number, because 214039639 - 2¹¹ = 214037591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214039598 and 214039607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214039619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6292 + ... + 21625.

It is an arithmetic number, because the mean of its divisors is an integer number (15829506).

Almost surely, 2^214039639 is an apocalyptic number.

214039639 is a deficient number, since it is larger than the sum of its proper divisors (39232457).

214039639 is a wasteful number, since it uses less digits than its factorization.

214039639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27986.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 214039639 is about 14630.0936087231. The cubic root of 214039639 is about 598.1793317929.

The spelling of 214039639 in words is "two hundred fourteen million, thirty-nine thousand, six hundred thirty-nine".