862448890 has 16 divisors (see below), whose sum is σ = 1566918432. Its totient is φ = 341755024.

The previous prime is 862448869. The next prime is 862448897. The reversal of 862448890 is 98844268.

It is not an unprimeable number, because it can be changed into a prime (862448897) 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, 401944 + ... + 404083.

It is an arithmetic number, because the mean of its divisors is an integer number (97932402).

Almost surely, 2^862448890 is an apocalyptic number.

862448890 is a deficient number, since it is larger than the sum of its proper divisors (704469542).

862448890 is a wasteful number, since it uses less digits than its factorization.

862448890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806141.

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 862448890 is about 29367.4801438598. The cubic root of 862448890 is about 951.8703282707.

The spelling of 862448890 in words is "eight hundred sixty-two million, four hundred forty-eight thousand, eight hundred ninety".