361209798 has 24 divisors (see below), whose sum is σ = 823812600. Its totient is φ = 114066144.

The previous prime is 361209781. The next prime is 361209803. The reversal of 361209798 is 897902163.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 527743 + ... + 528426.

It is an arithmetic number, because the mean of its divisors is an integer number (34325525).

Almost surely, 2^361209798 is an apocalyptic number.

361209798 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

361209798 is an abundant number, since it is smaller than the sum of its proper divisors (462602802).

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

361209798 is a wasteful number, since it uses less digits than its factorization.

361209798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056196 (or 1056193 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 361209798 is about 19005.5201980898. The cubic root of 361209798 is about 712.1746444349.

The spelling of 361209798 in words is "three hundred sixty-one million, two hundred nine thousand, seven hundred ninety-eight".