378047 has 4 divisors (see below), whose sum is σ = 379776. Its totient is φ = 376320.

The previous prime is 378041. The next prime is 378071. The reversal of 378047 is 740873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378047 - 2¹² = 373951 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 (378041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479 + ... + 992.

It is an arithmetic number, because the mean of its divisors is an integer number (94944).

2³⁷⁸⁰⁴⁷ is an apocalyptic number.

378047 is a deficient number, since it is larger than the sum of its proper divisors (1729).

378047 is a wasteful number, since it uses less digits than its factorization.

378047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 378047 is about 614.8552675224. The cubic root of 378047 is about 72.3072645388.

It can be divided in two parts, 37804 and 7, that multiplied together give a triangular number (264628 = T₇₂₇).

The spelling of 378047 in words is "three hundred seventy-eight thousand, forty-seven".