2398162090 has 32 divisors (see below), whose sum is σ = 4343161680. Its totient is φ = 953401344.

The previous prime is 2398162061. The next prime is 2398162099. The reversal of 2398162090 is 902618932.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 860659569 + 1537502521 = 29337^2 + 39211^2 .

It is not an unprimeable number, because it can be changed into a prime (2398162099) 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, 1677496 + ... + 1678924.

Almost surely, 2^2398162090 is an apocalyptic number.

2398162090 is a deficient number, since it is larger than the sum of its proper divisors (1944999590).

2398162090 is a wasteful number, since it uses less digits than its factorization.

2398162090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2398162090 is about 48971.0331726828. The cubic root of 2398162090 is about 1338.5240469103.

The spelling of 2398162090 in words is "two billion, three hundred ninety-eight million, one hundred sixty-two thousand, ninety".