387734 has 8 divisors (see below), whose sum is σ = 606960. Its totient is φ = 185416.

The previous prime is 387727. The next prime is 387743. The reversal of 387734 is 437783.

387734 = T₁₇₂ + T₁₇₃ + ... + T₁₉₄.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 387734.

It is a congruent number.

It is an unprimeable number.

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, 4169 + ... + 4260.

It is an arithmetic number, because the mean of its divisors is an integer number (75870).

2³⁸⁷⁷³⁴ is an apocalyptic number.

387734 is a deficient number, since it is larger than the sum of its proper divisors (219226).

387734 is a wasteful number, since it uses less digits than its factorization.

387734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454.

The product of its digits is 14112, while the sum is 32.

The square root of 387734 is about 622.6829048561. The cubic root of 387734 is about 72.9196589067.

The spelling of 387734 in words is "three hundred eighty-seven thousand, seven hundred thirty-four".