245799986 has 8 divisors (see below), whose sum is σ = 368769024. Its totient is φ = 122876980.

The previous prime is 245799943. The next prime is 245800007. The reversal of 245799986 is 689997542.

245799986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 9551 + ... + 24141.

It is an arithmetic number, because the mean of its divisors is an integer number (46096128).

Almost surely, 2^245799986 is an apocalyptic number.

245799986 is a deficient number, since it is larger than the sum of its proper divisors (122969038).

245799986 is a wasteful number, since it uses less digits than its factorization.

245799986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23016.

The product of its digits is 9797760, while the sum is 59.

The square root of 245799986 is about 15678.0096313276. The cubic root of 245799986 is about 626.4127920767.

The spelling of 245799986 in words is "two hundred forty-five million, seven hundred ninety-nine thousand, nine hundred eighty-six".