214736985 has 24 divisors (see below), whose sum is σ = 372677760. Its totient is φ = 114382752.

The previous prime is 214736981. The next prime is 214736987. The reversal of 214736985 is 589637412.

It is not a de Polignac number, because 214736985 - 2² = 214736981 is a prime.

It is a super-2 number, since 2×214736985² = 92223945453780450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 214736985.

It is not an unprimeable number, because it can be changed into a prime (214736981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40096 + ... + 45134.

It is an arithmetic number, because the mean of its divisors is an integer number (15528240).

Almost surely, 2^214736985 is an apocalyptic number.

It is an amenable number.

214736985 is a deficient number, since it is larger than the sum of its proper divisors (157940775).

214736985 is a wasteful number, since it uses less digits than its factorization.

214736985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997 (or 5994 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 214736985 is about 14653.9068169550. The cubic root of 214736985 is about 598.8282548451.

The spelling of 214736985 in words is "two hundred fourteen million, seven hundred thirty-six thousand, nine hundred eighty-five".