245849886 has 48 divisors (see below), whose sum is σ = 573298128. Its totient is φ = 75859200.

The previous prime is 245849843. The next prime is 245849887. The reversal of 245849886 is 688948542.

245849886 is a `hidden beast` number, since 24 + 58 + 498 + 86 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245849887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12081 + ... + 25251.

It is an arithmetic number, because the mean of its divisors is an integer number (11943711).

Almost surely, 2^245849886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245849886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286649064).

245849886 is an abundant number, since it is smaller than the sum of its proper divisors (327448242).

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

245849886 is a wasteful number, since it uses less digits than its factorization.

245849886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13257 (or 13254 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 245849886 is about 15679.6009515549. The cubic root of 245849886 is about 626.4551786852.

It can be divided in two parts, 24 and 5849886, that added together give a triangular number (5849910 = T₃₄₂₀).

The spelling of 245849886 in words is "two hundred forty-five million, eight hundred forty-nine thousand, eight hundred eighty-six".