387545704 has 96 divisors (see below), whose sum is σ = 919726920. Its totient is φ = 151732224.

The previous prime is 387545701. The next prime is 387545731. The reversal of 387545704 is 407545783.

It can be written as a sum of positive squares in 4 ways, for example, as 112317604 + 275228100 = 10598^2 + 16590^2 .

It is not an unprimeable number, because it can be changed into a prime (387545701) 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, 575512 + ... + 576184.

Almost surely, 2^387545704 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 387545704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459863460).

387545704 is an abundant number, since it is smaller than the sum of its proper divisors (532181216).

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

387545704 is a wasteful number, since it uses less digits than its factorization.

387545704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 387545704 is about 19686.1805335621. The cubic root of 387545704 is about 729.0785295781.

The spelling of 387545704 in words is "three hundred eighty-seven million, five hundred forty-five thousand, seven hundred four".