233947394 has 8 divisors (see below), whose sum is σ = 359480268. Its totient is φ = 114120640.

The previous prime is 233947333. The next prime is 233947397. The reversal of 233947394 is 493749332.

It can be written as a sum of positive squares in 2 ways, for example, as 233692369 + 255025 = 15287^2 + 505^2 .

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

It is not an unprimeable number, because it can be changed into a prime (233947397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426427 + ... + 1426590.

Almost surely, 2^233947394 is an apocalyptic number.

233947394 is a deficient number, since it is larger than the sum of its proper divisors (125532874).

233947394 is a wasteful number, since it uses less digits than its factorization.

233947394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853060.

The product of its digits is 489888, while the sum is 44.

The square root of 233947394 is about 15295.3389632267. The cubic root of 233947394 is about 616.1778331366.

The spelling of 233947394 in words is "two hundred thirty-three million, nine hundred forty-seven thousand, three hundred ninety-four".