378630334 has 4 divisors (see below), whose sum is σ = 567945504. Its totient is φ = 189315166.

The previous prime is 378630323. The next prime is 378630337. The reversal of 378630334 is 433036873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433036873 = 12409 ⋅34897.

It is a junction number, because it is equal to n+sod(n) for n = 378630293 and 378630302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378630337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94657582 + ... + 94657585.

It is an arithmetic number, because the mean of its divisors is an integer number (141986376).

Almost surely, 2^378630334 is an apocalyptic number.

378630334 is a deficient number, since it is larger than the sum of its proper divisors (189315170).

378630334 is a wasteful number, since it uses less digits than its factorization.

378630334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189315169.

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 378630334 is about 19458.4257842201. The cubic root of 378630334 is about 723.4443593983. Note that the first 3 decimals are identical.

The spelling of 378630334 in words is "three hundred seventy-eight million, six hundred thirty thousand, three hundred thirty-four".