845399376 has 160 divisors (see below), whose sum is σ = 2577612800. Its totient is φ = 264539520.

The previous prime is 845399353. The next prime is 845399411. The reversal of 845399376 is 673993548.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1042011 + ... + 1042821.

It is an arithmetic number, because the mean of its divisors is an integer number (16110080).

Almost surely, 2^845399376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845399376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288806400).

845399376 is an abundant number, since it is smaller than the sum of its proper divisors (1732213424).

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

845399376 is a wasteful number, since it uses less digits than its factorization.

845399376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 962 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 845399376 is about 29075.7523720367. The cubic root of 845399376 is about 945.5561151011.

The spelling of 845399376 in words is "eight hundred forty-five million, three hundred ninety-nine thousand, three hundred seventy-six".