387540038 has 4 divisors (see below), whose sum is σ = 581310060. Its totient is φ = 193770018.

The previous prime is 387540019. The next prime is 387540053. The reversal of 387540038 is 830045783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 387539983 and 387540010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96885008 + ... + 96885011.

It is an arithmetic number, because the mean of its divisors is an integer number (145327515).

Almost surely, 2^387540038 is an apocalyptic number.

387540038 is a deficient number, since it is larger than the sum of its proper divisors (193770022).

387540038 is a wasteful number, since it uses less digits than its factorization.

387540038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193770021.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 387540038 is about 19686.0366249786. The cubic root of 387540038 is about 729.0749764668.

The spelling of 387540038 in words is "three hundred eighty-seven million, five hundred forty thousand, thirty-eight".