378694533 has 16 divisors (see below), whose sum is σ = 611003520. Its totient is φ = 203667456.

The previous prime is 378694531. The next prime is 378694541. The reversal of 378694533 is 335496873.

It is not a de Polignac number, because 378694533 - 2¹ = 378694531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378694531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530028 + ... + 530741.

It is an arithmetic number, because the mean of its divisors is an integer number (38187720).

Almost surely, 2^378694533 is an apocalyptic number.

It is an amenable number.

378694533 is a deficient number, since it is larger than the sum of its proper divisors (232308987).

378694533 is a wasteful number, since it uses less digits than its factorization.

378694533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060796.

The product of its digits is 1632960, while the sum is 48.

The square root of 378694533 is about 19460.0753595663. The cubic root of 378694533 is about 723.4852451696.

The spelling of 378694533 in words is "three hundred seventy-eight million, six hundred ninety-four thousand, five hundred thirty-three".