214936785 has 72 divisors (see below), whose sum is σ = 437913216. Its totient is φ = 97231680.

The previous prime is 214936769. The next prime is 214936789. The reversal of 214936785 is 587639412.

214936785 is a `hidden beast` number, since 21 + 493 + 67 + 85 = 666.

It is not a de Polignac number, because 214936785 - 2⁴ = 214936769 is a prime.

It is a super-2 number, since 2×214936785² = 92395643092272450, which contains 22 as substring.

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 214936785.

It is not an unprimeable number, because it can be changed into a prime (214936789) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 235480 + ... + 236390.

It is an arithmetic number, because the mean of its divisors is an integer number (6082128).

Almost surely, 2^214936785 is an apocalyptic number.

It is an amenable number.

214936785 is an abundant number, since it is smaller than the sum of its proper divisors (222976431).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214936785 is a wasteful number, since it uses less digits than its factorization.

214936785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1033 counting only the distinct ones).

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

The square root of 214936785 is about 14660.7225265333. The cubic root of 214936785 is about 599.0139219713.

The spelling of 214936785 in words is "two hundred fourteen million, nine hundred thirty-six thousand, seven hundred eighty-five".