245398872 has 32 divisors (see below), whose sum is σ = 614577600. Its totient is φ = 81655584.

The previous prime is 245398861. The next prime is 245398873. The reversal of 245398872 is 278893542.

245398872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245398873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5379 + ... + 22797.

It is an arithmetic number, because the mean of its divisors is an integer number (19205550).

Almost surely, 2^245398872 is an apocalyptic number.

It is an amenable number.

245398872 is an abundant number, since it is smaller than the sum of its proper divisors (369178728).

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

245398872 is a wasteful number, since it uses less digits than its factorization.

245398872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18015 (or 18011 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 245398872 is about 15665.2121594315. The cubic root of 245398872 is about 626.0718648251.

It can be divided in two parts, 24539 and 8872, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 245398872 in words is "two hundred forty-five million, three hundred ninety-eight thousand, eight hundred seventy-two".