845438604 has 48 divisors (see below), whose sum is σ = 2034670176. Its totient is φ = 273024000.

The previous prime is 845438591. The next prime is 845438621. The reversal of 845438604 is 406834548.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103054 + ... + 110954.

It is an arithmetic number, because the mean of its divisors is an integer number (42388962).

Almost surely, 2^845438604 is an apocalyptic number.

It is an amenable number.

845438604 is an abundant number, since it is smaller than the sum of its proper divisors (1189231572).

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

845438604 is a wasteful number, since it uses less digits than its factorization.

845438604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8186 (or 8184 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 845438604 is about 29076.4269469273. The cubic root of 845438604 is about 945.5707400238.

The spelling of 845438604 in words is "eight hundred forty-five million, four hundred thirty-eight thousand, six hundred four".