239673345 has 8 divisors (see below), whose sum is σ = 383477376. Its totient is φ = 127825776.

The previous prime is 239673341. The next prime is 239673347. The reversal of 239673345 is 543376932.

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

It is not a de Polignac number, because 239673345 - 2² = 239673341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 239673297 and 239673306.

It is not an unprimeable number, because it can be changed into a prime (239673341) 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, 7989097 + ... + 7989126.

It is an arithmetic number, because the mean of its divisors is an integer number (47934672).

Almost surely, 2^239673345 is an apocalyptic number.

It is an amenable number.

239673345 is a deficient number, since it is larger than the sum of its proper divisors (143804031).

239673345 is a wasteful number, since it uses less digits than its factorization.

239673345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15978231.

The product of its digits is 408240, while the sum is 42.

The square root of 239673345 is about 15481.3870502614. The cubic root of 239673345 is about 621.1644306707.

The spelling of 239673345 in words is "two hundred thirty-nine million, six hundred seventy-three thousand, three hundred forty-five".