214146993 has 8 divisors (see below), whose sum is σ = 291604608. Its totient is φ = 139727024.

The previous prime is 214146979. The next prime is 214147007. The reversal of 214146993 is 399641412.

It is an interprime number because it is at equal distance from previous prime (214146979) and next prime (214147007).

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

It is a cyclic number.

It is not a de Polignac number, because 214146993 - 2¹⁶ = 214081457 is a prime.

It is a super-2 number, since 2×214146993² = 91717869221884098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214146913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759246 + ... + 759527.

It is an arithmetic number, because the mean of its divisors is an integer number (36450576).

Almost surely, 2^214146993 is an apocalyptic number.

It is an amenable number.

214146993 is a deficient number, since it is larger than the sum of its proper divisors (77457615).

214146993 is a wasteful number, since it uses less digits than its factorization.

214146993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518823.

The product of its digits is 46656, while the sum is 39.

The square root of 214146993 is about 14633.7620931871. The cubic root of 214146993 is about 598.2793229457.

The spelling of 214146993 in words is "two hundred fourteen million, one hundred forty-six thousand, nine hundred ninety-three".