245930839 has 16 divisors (see below), whose sum is σ = 308088576. Its totient is φ = 190713600.

The previous prime is 245930809. The next prime is 245930863. The reversal of 245930839 is 938039542.

It is not a de Polignac number, because 245930839 - 2²¹ = 243833687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245930795 and 245930804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245930809) 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, 8679 + ... + 23815.

It is an arithmetic number, because the mean of its divisors is an integer number (19255536).

Almost surely, 2^245930839 is an apocalyptic number.

245930839 is a deficient number, since it is larger than the sum of its proper divisors (62157737).

245930839 is a wasteful number, since it uses less digits than its factorization.

245930839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15366.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 245930839 is about 15682.1822142201. The cubic root of 245930839 is about 626.5239304774.

The spelling of 245930839 in words is "two hundred forty-five million, nine hundred thirty thousand, eight hundred thirty-nine".