387303873 has 16 divisors (see below), whose sum is σ = 563849472. Its totient is φ = 234522000.

The previous prime is 387303869. The next prime is 387303887. The reversal of 387303873 is 378303783.

It is a happy number.

It is not a de Polignac number, because 387303873 - 2² = 387303869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387303803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38058 + ... + 47148.

It is an arithmetic number, because the mean of its divisors is an integer number (35240592).

Almost surely, 2^387303873 is an apocalyptic number.

387303873 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

387303873 is a deficient number, since it is larger than the sum of its proper divisors (176545599).

387303873 is a wasteful number, since it uses less digits than its factorization.

387303873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10396.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 387303873 is about 19680.0374237449. The cubic root of 387303873 is about 728.9268481339.

The spelling of 387303873 in words is "three hundred eighty-seven million, three hundred three thousand, eight hundred seventy-three".