387685375 has 64 divisors (see below), whose sum is σ = 616771584. Its totient is φ = 236256000.

The previous prime is 387685351. The next prime is 387685399. The reversal of 387685375 is 573586783.

It is an interprime number because it is at equal distance from previous prime (387685351) and next prime (387685399).

It is not a de Polignac number, because 387685375 - 2⁵ = 387685343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 451947 + ... + 452803.

It is an arithmetic number, because the mean of its divisors is an integer number (9637056).

Almost surely, 2^387685375 is an apocalyptic number.

387685375 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

387685375 is a deficient number, since it is larger than the sum of its proper divisors (229086209).

387685375 is a wasteful number, since it uses less digits than its factorization.

387685375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 927 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The square root of 387685375 is about 19689.7276517478. The cubic root of 387685375 is about 729.1661053964.

The spelling of 387685375 in words is "three hundred eighty-seven million, six hundred eighty-five thousand, three hundred seventy-five".