214801915 has 8 divisors (see below), whose sum is σ = 257884848. Its totient is φ = 171759840.

The previous prime is 214801907. The next prime is 214801921. The reversal of 214801915 is 519108412.

It is a happy number.

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

It is not a de Polignac number, because 214801915 - 2³ = 214801907 is a prime.

It is a super-2 number, since 2×214801915² = 92279725375334450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2884 + ... + 20926.

It is an arithmetic number, because the mean of its divisors is an integer number (32235606).

Almost surely, 2^214801915 is an apocalyptic number.

214801915 is a deficient number, since it is larger than the sum of its proper divisors (43082933).

214801915 is a wasteful number, since it uses less digits than its factorization.

214801915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20429.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 214801915 is about 14656.1220996551. The cubic root of 214801915 is about 598.8886046421. Note that the first 3 decimals are identical.

The spelling of 214801915 in words is "two hundred fourteen million, eight hundred one thousand, nine hundred fifteen".