214028015 has 4 divisors (see below), whose sum is σ = 256833624. Its totient is φ = 171222408.

The previous prime is 214027997. The next prime is 214028021. The reversal of 214028015 is 510820412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214028015 - 2¹² = 214023919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21402797 + ... + 21402806.

It is an arithmetic number, because the mean of its divisors is an integer number (64208406).

Almost surely, 2^214028015 is an apocalyptic number.

214028015 is a deficient number, since it is larger than the sum of its proper divisors (42805609).

214028015 is an equidigital number, since it uses as much as digits as its factorization.

214028015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42805608.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 214028015 is about 14629.6963399792. The cubic root of 214028015 is about 598.1685030161.

Adding to 214028015 its reverse (510820412), we get a palindrome (724848427).

The spelling of 214028015 in words is "two hundred fourteen million, twenty-eight thousand, fifteen".