378304271 has 4 divisors (see below), whose sum is σ = 381977232. Its totient is φ = 374631312.

The previous prime is 378304237. The next prime is 378304273. The reversal of 378304271 is 172403873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172403873 = 61 ⋅2826293.

It is a cyclic number.

It is not a de Polignac number, because 378304271 - 2¹⁴ = 378287887 is a prime.

It is a super-2 number, since 2×378304271² = 286228242913682882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378304273) 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, 1836326 + ... + 1836531.

It is an arithmetic number, because the mean of its divisors is an integer number (95494308).

Almost surely, 2^378304271 is an apocalyptic number.

378304271 is a deficient number, since it is larger than the sum of its proper divisors (3672961).

378304271 is a wasteful number, since it uses less digits than its factorization.

378304271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672960.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 378304271 is about 19450.0455269390. The cubic root of 378304271 is about 723.2366315590.

The spelling of 378304271 in words is "three hundred seventy-eight million, three hundred four thousand, two hundred seventy-one".