853850401 has 4 divisors (see below), whose sum is σ = 855101232. Its totient is φ = 852599572.

The previous prime is 853850341. The next prime is 853850447. The reversal of 853850401 is 104058358.

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 853850401 - 2⁷ = 853850273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853850471) 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, 624391 + ... + 625756.

It is an arithmetic number, because the mean of its divisors is an integer number (213775308).

Almost surely, 2^853850401 is an apocalyptic number.

It is an amenable number.

853850401 is a deficient number, since it is larger than the sum of its proper divisors (1250831).

853850401 is a wasteful number, since it uses less digits than its factorization.

853850401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250830.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 853850401 is about 29220.7186941047. The cubic root of 853850401 is about 948.6964211114.

The spelling of 853850401 in words is "eight hundred fifty-three million, eight hundred fifty thousand, four hundred one".