385749500 has 24 divisors (see below), whose sum is σ = 842478000. Its totient is φ = 154299600.

The previous prime is 385749487. The next prime is 385749541. The reversal of 385749500 is 5947583.

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, 385250 + ... + 386249.

It is an arithmetic number, because the mean of its divisors is an integer number (35103250).

Almost surely, 2^385749500 is an apocalyptic number.

It is an amenable number.

385749500 is an abundant number, since it is smaller than the sum of its proper divisors (456728500).

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

385749500 is a wasteful number, since it uses less digits than its factorization.

385749500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771518 (or 771506 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 385749500 is about 19640.5066126106. The cubic root of 385749500 is about 727.9504026711.

The spelling of 385749500 in words is "three hundred eighty-five million, seven hundred forty-nine thousand, five hundred".