378366834 has 16 divisors (see below), whose sum is σ = 757094688. Its totient is φ = 126062112.

The previous prime is 378366803. The next prime is 378366851. The reversal of 378366834 is 438663873.

It is a super-2 number, since 2×378366834² = 286322922142367112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307 + ... + 27510.

It is an arithmetic number, because the mean of its divisors is an integer number (47318418).

Almost surely, 2^378366834 is an apocalyptic number.

378366834 is an abundant number, since it is smaller than the sum of its proper divisors (378727854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378366834 is a wasteful number, since it uses less digits than its factorization.

378366834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30089.

The product of its digits is 1741824, while the sum is 48.

The square root of 378366834 is about 19451.6537600277. The cubic root of 378366834 is about 723.2764983742.

The spelling of 378366834 in words is "three hundred seventy-eight million, three hundred sixty-six thousand, eight hundred thirty-four".