245378686 has 32 divisors (see below), whose sum is σ = 445798080. Its totient is φ = 99052800.

The previous prime is 245378677. The next prime is 245378687. The reversal of 245378686 is 686873542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245378687) 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, 9276 + ... + 24016.

It is an arithmetic number, because the mean of its divisors is an integer number (13931190).

Almost surely, 2^245378686 is an apocalyptic number.

245378686 is a deficient number, since it is larger than the sum of its proper divisors (200419394).

245378686 is a wasteful number, since it uses less digits than its factorization.

245378686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14820.

The product of its digits is 1935360, while the sum is 49.

The square root of 245378686 is about 15664.5678523220. The cubic root of 245378686 is about 626.0546978986.

The spelling of 245378686 in words is "two hundred forty-five million, three hundred seventy-eight thousand, six hundred eighty-six".