378547 has 8 divisors (see below), whose sum is σ = 419216. Its totient is φ = 339552.

The previous prime is 378533. The next prime is 378551. The reversal of 378547 is 745873.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (370547) 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, 88 + ... + 874.

It is an arithmetic number, because the mean of its divisors is an integer number (52402).

2³⁷⁸⁵⁴⁷ is an apocalyptic number.

378547 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

378547 is a deficient number, since it is larger than the sum of its proper divisors (40669).

378547 is a wasteful number, since it uses less digits than its factorization.

378547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837.

The product of its digits is 23520, while the sum is 34.

The square root of 378547 is about 615.2617329235. The cubic root of 378547 is about 72.3391280418.

It can be divided in two parts, 3 and 78547, that multiplied together give a triangular number (235641 = T₆₈₆).

The spelling of 378547 in words is "three hundred seventy-eight thousand, five hundred forty-seven".