849339225 has 72 divisors (see below), whose sum is σ = 1779157952. Its totient is φ = 379209600.

The previous prime is 849339223. The next prime is 849339229. The reversal of 849339225 is 522933948.

It is a happy number.

It is not a de Polignac number, because 849339225 - 2¹ = 849339223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849339223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 61455 + ... + 73995.

Almost surely, 2^849339225 is an apocalyptic number.

It is an amenable number.

849339225 is an abundant number, since it is smaller than the sum of its proper divisors (929818727).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849339225 is a wasteful number, since it uses less digits than its factorization.

849339225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12607 (or 12599 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 849339225 is about 29143.4250732477. The cubic root of 849339225 is about 947.0227103485.

The spelling of 849339225 in words is "eight hundred forty-nine million, three hundred thirty-nine thousand, two hundred twenty-five".