387190 has 16 divisors (see below), whose sum is σ = 720000. Its totient is φ = 149760.

The previous prime is 387187. The next prime is 387197. The reversal of 387190 is 91783.

It is a super-2 number, since 2×387190² = 299832192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387197) 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 7 ways as a sum of consecutive naturals, for example, 315 + ... + 934.

It is an arithmetic number, because the mean of its divisors is an integer number (45000).

2³⁸⁷¹⁹⁰ is an apocalyptic number.

387190 is a deficient number, since it is larger than the sum of its proper divisors (332810).

387190 is a wasteful number, since it uses less digits than its factorization.

387190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 387190 is about 622.2459320879. The cubic root of 387190 is about 72.8855402749.

The spelling of 387190 in words is "three hundred eighty-seven thousand, one hundred ninety".