849840924 has 24 divisors (see below), whose sum is σ = 1995132160. Its totient is φ = 281541744.

The previous prime is 849840919. The next prime is 849840941. The reversal of 849840924 is 429048948.

849840924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×849840924² = 1444459192210347552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215284 + ... + 219195.

Almost surely, 2^849840924 is an apocalyptic number.

It is an amenable number.

849840924 is an abundant number, since it is smaller than the sum of its proper divisors (1145291236).

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

849840924 is a wasteful number, since it uses less digits than its factorization.

849840924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434649 (or 434647 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 849840924 is about 29152.0312156803. The cubic root of 849840924 is about 947.2091403062.

The spelling of 849840924 in words is "eight hundred forty-nine million, eight hundred forty thousand, nine hundred twenty-four".