387473685 has 8 divisors (see below), whose sum is σ = 619957920. Its totient is φ = 206652624.

The previous prime is 387473677. The next prime is 387473689. The reversal of 387473685 is 586374783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 387473685 - 2³ = 387473677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387473689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12915775 + ... + 12915804.

It is an arithmetic number, because the mean of its divisors is an integer number (77494740).

Almost surely, 2^387473685 is an apocalyptic number.

It is an amenable number.

387473685 is a deficient number, since it is larger than the sum of its proper divisors (232484235).

387473685 is a wasteful number, since it uses less digits than its factorization.

387473685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25831587.

The product of its digits is 3386880, while the sum is 51.

The square root of 387473685 is about 19684.3512720130. The cubic root of 387473685 is about 729.0333643593.

The spelling of 387473685 in words is "three hundred eighty-seven million, four hundred seventy-three thousand, six hundred eighty-five".