214815401 has 8 divisors (see below), whose sum is σ = 223539360. Its totient is φ = 206260992.

The previous prime is 214815361. The next prime is 214815409. The reversal of 214815401 is 104518412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214815401 is a prime.

It is a super-2 number, since 2×214815401² = 92291313013581602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214815409) 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, 39800 + ... + 44873.

It is an arithmetic number, because the mean of its divisors is an integer number (27942420).

Almost surely, 2^214815401 is an apocalyptic number.

It is an amenable number.

214815401 is a deficient number, since it is larger than the sum of its proper divisors (8723959).

214815401 is an equidigital number, since it uses as much as digits as its factorization.

214815401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84775.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 214815401 is about 14656.5821732080. The cubic root of 214815401 is about 598.9011378058.

The spelling of 214815401 in words is "two hundred fourteen million, eight hundred fifteen thousand, four hundred one".