387311379 has 32 divisors (see below), whose sum is σ = 651108864. Its totient is φ = 199307520.

The previous prime is 387311377. The next prime is 387311411. The reversal of 387311379 is 973113783.

It is not a de Polignac number, because 387311379 - 2¹ = 387311377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 387311379.

It is not an unprimeable number, because it can be changed into a prime (387311377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6109 + ... + 28494.

It is an arithmetic number, because the mean of its divisors is an integer number (20347152).

Almost surely, 2^387311379 is an apocalyptic number.

387311379 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

387311379 is a deficient number, since it is larger than the sum of its proper divisors (263797485).

387311379 is a wasteful number, since it uses less digits than its factorization.

387311379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34667.

The product of its digits is 95256, while the sum is 42.

The square root of 387311379 is about 19680.2281236778. The cubic root of 387311379 is about 728.9315570028.

The spelling of 387311379 in words is "three hundred eighty-seven million, three hundred eleven thousand, three hundred seventy-nine".