849625401 has 8 divisors (see below), whose sum is σ = 1169377024. Its totient is φ = 548145360.

The previous prime is 849625397. The next prime is 849625421. The reversal of 849625401 is 104526948.

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

It is not a de Polignac number, because 849625401 - 2² = 849625397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 849625401.

It is not an unprimeable number, because it can be changed into a prime (849625421) 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, 4567786 + ... + 4567971.

It is an arithmetic number, because the mean of its divisors is an integer number (146172128).

Almost surely, 2^849625401 is an apocalyptic number.

It is an amenable number.

849625401 is a deficient number, since it is larger than the sum of its proper divisors (319751623).

849625401 is a wasteful number, since it uses less digits than its factorization.

849625401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9135791.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 849625401 is about 29148.3344464139. The cubic root of 849625401 is about 947.1290615488.

The spelling of 849625401 in words is "eight hundred forty-nine million, six hundred twenty-five thousand, four hundred one".