214378901 has 4 divisors (see below), whose sum is σ = 233867904. Its totient is φ = 194889900.

The previous prime is 214378897. The next prime is 214378939. The reversal of 214378901 is 109873412.

214378901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214378901 - 2² = 214378897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214378961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9744485 + ... + 9744506.

It is an arithmetic number, because the mean of its divisors is an integer number (58466976).

Almost surely, 2^214378901 is an apocalyptic number.

It is an amenable number.

214378901 is a deficient number, since it is larger than the sum of its proper divisors (19489003).

214378901 is a wasteful number, since it uses less digits than its factorization.

214378901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19489002.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 214378901 is about 14641.6836805061. The cubic root of 214378901 is about 598.4952115821.

The spelling of 214378901 in words is "two hundred fourteen million, three hundred seventy-eight thousand, nine hundred one".