387238645 has 16 divisors (see below), whose sum is σ = 482065920. Its totient is φ = 298396800.

The previous prime is 387238613. The next prime is 387238651. The reversal of 387238645 is 546832783.

It is not a de Polignac number, because 387238645 - 2⁵ = 387238613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 387238595 and 387238604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4240 + ... + 28150.

It is an arithmetic number, because the mean of its divisors is an integer number (30129120).

Almost surely, 2^387238645 is an apocalyptic number.

It is an amenable number.

387238645 is a deficient number, since it is larger than the sum of its proper divisors (94827275).

387238645 is a wasteful number, since it uses less digits than its factorization.

387238645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24036.

The product of its digits is 967680, while the sum is 46.

The square root of 387238645 is about 19678.3801416682. The cubic root of 387238645 is about 728.8859249611.

The spelling of 387238645 in words is "three hundred eighty-seven million, two hundred thirty-eight thousand, six hundred forty-five".