387334157 has 4 divisors (see below), whose sum is σ = 442667616. Its totient is φ = 332000700.

The previous prime is 387334151. The next prime is 387334159. The reversal of 387334157 is 751433783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 387334157 - 2²² = 383139853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387334151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27666719 + ... + 27666732.

It is an arithmetic number, because the mean of its divisors is an integer number (110666904).

Almost surely, 2^387334157 is an apocalyptic number.

It is an amenable number.

387334157 is a deficient number, since it is larger than the sum of its proper divisors (55333459).

387334157 is an equidigital number, since it uses as much as digits as its factorization.

387334157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55333458.

The product of its digits is 211680, while the sum is 41.

The square root of 387334157 is about 19680.8068178111. The cubic root of 387334157 is about 728.9458463476.

The spelling of 387334157 in words is "three hundred eighty-seven million, three hundred thirty-four thousand, one hundred fifty-seven".