235684945 has 4 divisors (see below), whose sum is σ = 282821940. Its totient is φ = 188547952.

The previous prime is 235684937. The next prime is 235684951. The reversal of 235684945 is 549486532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45576001 + 190108944 = 6751^2 + 13788^2 .

It is a cyclic number.

It is not a de Polignac number, because 235684945 - 2³ = 235684937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 235684895 and 235684904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23568490 + ... + 23568499.

It is an arithmetic number, because the mean of its divisors is an integer number (70705485).

Almost surely, 2^235684945 is an apocalyptic number.

It is an amenable number.

235684945 is a deficient number, since it is larger than the sum of its proper divisors (47136995).

235684945 is an equidigital number, since it uses as much as digits as its factorization.

235684945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47136994.

The product of its digits is 1036800, while the sum is 46.

The square root of 235684945 is about 15352.0339043398. The cubic root of 235684945 is about 617.6995437654.

The spelling of 235684945 in words is "two hundred thirty-five million, six hundred eighty-four thousand, nine hundred forty-five".