245889616 has 20 divisors (see below), whose sum is σ = 544470112. Its totient is φ = 105381216.

The previous prime is 245889599. The next prime is 245889617. The reversal of 245889616 is 616988542.

It is a self number, because there is not a number n which added to its sum of digits gives 245889616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245889617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097610 + ... + 1097833.

Almost surely, 2^245889616 is an apocalyptic number.

It is an amenable number.

245889616 is an abundant number, since it is smaller than the sum of its proper divisors (298580496).

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

245889616 is a wasteful number, since it uses less digits than its factorization.

245889616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195458 (or 2195452 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 245889616 is about 15680.8678331271. The cubic root of 245889616 is about 626.4889224791.

The spelling of 245889616 in words is "two hundred forty-five million, eight hundred eighty-nine thousand, six hundred sixteen".