378464819 has 12 divisors (see below), whose sum is σ = 413217360. Its totient is φ = 346172400.

The previous prime is 378464813. The next prime is 378464851. The reversal of 378464819 is 918464873.

It is not a de Polignac number, because 378464819 - 2¹² = 378460723 is a prime.

It is a super-2 number, since 2×378464819² = 286471238441405522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378464813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7607 + ... + 28544.

It is an arithmetic number, because the mean of its divisors is an integer number (34434780).

Almost surely, 2^378464819 is an apocalyptic number.

378464819 is a deficient number, since it is larger than the sum of its proper divisors (34752541).

378464819 is a wasteful number, since it uses less digits than its factorization.

378464819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36218 (or 36199 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 378464819 is about 19454.1722774319. The cubic root of 378464819 is about 723.3389282037.

The spelling of 378464819 in words is "three hundred seventy-eight million, four hundred sixty-four thousand, eight hundred nineteen".