245198886 has 32 divisors (see below), whose sum is σ = 508412160. Its totient is φ = 78742944.

The previous prime is 245198851. The next prime is 245198887. The reversal of 245198886 is 688891542.

245198886 = 1396² + 1397² + ... + 1511².

245198886 is digitally balanced in base 2 and base 3, because in such bases 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 (245198887) 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, 96711 + ... + 99213.

It is an arithmetic number, because the mean of its divisors is an integer number (15887880).

Almost surely, 2^245198886 is an apocalyptic number.

245198886 is an abundant number, since it is smaller than the sum of its proper divisors (263213274).

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

245198886 is a wasteful number, since it uses less digits than its factorization.

245198886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100.

The product of its digits is 1105920, while the sum is 51.

The square root of 245198886 is about 15658.8277339014. The cubic root of 245198886 is about 625.9017477226.

The spelling of 245198886 in words is "two hundred forty-five million, one hundred ninety-eight thousand, eight hundred eighty-six".