214747881 has 8 divisors (see below), whose sum is σ = 295567104. Its totient is φ = 138546960.

The previous prime is 214747879. The next prime is 214747909. The reversal of 214747881 is 188747412.

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

It is not a de Polignac number, because 214747881 - 2¹ = 214747879 is a prime.

It is a super-2 number, since 2×214747881² = 92233304787980322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214747801) 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, 1154466 + ... + 1154651.

It is an arithmetic number, because the mean of its divisors is an integer number (36945888).

Almost surely, 2^214747881 is an apocalyptic number.

It is an amenable number.

214747881 is a deficient number, since it is larger than the sum of its proper divisors (80819223).

214747881 is a wasteful number, since it uses less digits than its factorization.

214747881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309151.

The product of its digits is 100352, while the sum is 42.

The square root of 214747881 is about 14654.2785902275. The cubic root of 214747881 is about 598.8383830838.

The spelling of 214747881 in words is "two hundred fourteen million, seven hundred forty-seven thousand, eight hundred eighty-one".