361000000 has 147 divisors (see below), whose sum is σ = 945046497. Its totient is φ = 136800000.

The previous prime is 360999983. The next prime is 361000001. The reversal of 361000000 is 163.

The square root of 361000000 is 19000.

It is a perfect power (a square), and thus also a powerful number.

361000000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 316270656 + 44729344 = 17784^2 + 6688^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361000001) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 18999991 + ... + 19000009.

Almost surely, 2^361000000 is an apocalyptic number.

361000000 is the 19000-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361000000

361000000 is an abundant number, since it is smaller than the sum of its proper divisors (584046497).

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

361000000 is an frugal number, since it uses more digits than its factorization.

361000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The cubic root of 361000000 is about 712.0367358902.

Adding to 361000000 its reverse (163), we get a palindrome (361000163).

The spelling of 361000000 in words is "three hundred sixty-one million", and thus it is an aban number.