385471100 has 72 divisors (see below), whose sum is σ = 970354560. Its totient is φ = 130173120.

The previous prime is 385471091. The next prime is 385471109. The reversal of 385471100 is 1174583.

It is an interprime number because it is at equal distance from previous prime (385471091) and next prime (385471109).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385471109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42791 + ... + 51009.

Almost surely, 2^385471100 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 385471100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485177280).

385471100 is an abundant number, since it is smaller than the sum of its proper divisors (584883460).

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

385471100 is a wasteful number, since it uses less digits than its factorization.

385471100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8307 (or 8300 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 385471100 is about 19633.4179398290. The cubic root of 385471100 is about 727.7752370381.

The spelling of 385471100 in words is "three hundred eighty-five million, four hundred seventy-one thousand, one hundred".