214289975 has 18 divisors (see below), whose sum is σ = 268781904. Its totient is φ = 169478400.

The previous prime is 214289969. The next prime is 214289987. The reversal of 214289975 is 579982412.

It is a de Polignac number, because none of the positive numbers 2^k-214289975 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 234770 + ... + 235680.

It is an arithmetic number, because the mean of its divisors is an integer number (14932328).

Almost surely, 2^214289975 is an apocalyptic number.

214289975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

214289975 is a deficient number, since it is larger than the sum of its proper divisors (54491929).

214289975 is an frugal number, since it uses more digits than its factorization.

214289975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1013 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 214289975 is about 14638.6466246030. The cubic root of 214289975 is about 598.4124466807.

The spelling of 214289975 in words is "two hundred fourteen million, two hundred eighty-nine thousand, nine hundred seventy-five".