245687346 has 12 divisors (see below), whose sum is σ = 532322622. Its totient is φ = 81895776.

The previous prime is 245687341. The next prime is 245687371. The reversal of 245687346 is 643786542.

245687346 is a `hidden beast` number, since 245 + 68 + 7 + 346 = 666.

It can be written as a sum of positive squares in only one way, i.e., 150332121 + 95355225 = 12261^2 + 9765^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245687341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6824631 + ... + 6824666.

Almost surely, 2^245687346 is an apocalyptic number.

245687346 is an abundant number, since it is smaller than the sum of its proper divisors (286635276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245687346 is a wasteful number, since it uses less digits than its factorization.

245687346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13649305 (or 13649302 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 245687346 is about 15674.4169269546. The cubic root of 245687346 is about 626.3170910708.

The spelling of 245687346 in words is "two hundred forty-five million, six hundred eighty-seven thousand, three hundred forty-six".