849378974 has 8 divisors (see below), whose sum is σ = 1274292048. Its totient is φ = 424614960.

The previous prime is 849378961. The next prime is 849378977. The reversal of 849378974 is 479873948.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849378977) 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, 21722 + ... + 46589.

It is an arithmetic number, because the mean of its divisors is an integer number (159286506).

Almost surely, 2^849378974 is an apocalyptic number.

849378974 is a deficient number, since it is larger than the sum of its proper divisors (424913074).

849378974 is a wasteful number, since it uses less digits than its factorization.

849378974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74530.

The product of its digits is 12192768, while the sum is 59.

The square root of 849378974 is about 29144.1070201164. The cubic root of 849378974 is about 947.0374836441.

The spelling of 849378974 in words is "eight hundred forty-nine million, three hundred seventy-eight thousand, nine hundred seventy-four".