378934699 has 8 divisors (see below), whose sum is σ = 445182192. Its totient is φ = 317987040.

The previous prime is 378934697. The next prime is 378934733. The reversal of 378934699 is 996439873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378934699 - 2¹ = 378934697 is a prime.

It is a super-2 number, since 2×378934699² = 287183012212441202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378934691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324804 + ... + 1325089.

It is an arithmetic number, because the mean of its divisors is an integer number (55647774).

Almost surely, 2^378934699 is an apocalyptic number.

378934699 is a deficient number, since it is larger than the sum of its proper divisors (66247493).

378934699 is a wasteful number, since it uses less digits than its factorization.

378934699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649917.

The product of its digits is 8817984, while the sum is 58.

The square root of 378934699 is about 19466.2451181526. The cubic root of 378934699 is about 723.6381563098.

The spelling of 378934699 in words is "three hundred seventy-eight million, nine hundred thirty-four thousand, six hundred ninety-nine".