894200421 has 4 divisors (see below), whose sum is σ = 1192267232. Its totient is φ = 596133612.

The previous prime is 894200399. The next prime is 894200429. The reversal of 894200421 is 124002498.

894200421 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 not a de Polignac number, because 894200421 - 2⁵ = 894200389 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894200429) 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, 149033401 + ... + 149033406.

It is an arithmetic number, because the mean of its divisors is an integer number (298066808).

Almost surely, 2^894200421 is an apocalyptic number.

It is an amenable number.

894200421 is a deficient number, since it is larger than the sum of its proper divisors (298066811).

894200421 is a wasteful number, since it uses less digits than its factorization.

894200421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298066810.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 894200421 is about 29903.1841281159. The cubic root of 894200421 is about 963.4110502574.

The spelling of 894200421 in words is "eight hundred ninety-four million, two hundred thousand, four hundred twenty-one".