361809228 has 48 divisors (see below), whose sum is σ = 961019136. Its totient is φ = 104871360.

The previous prime is 361809211. The next prime is 361809247. The reversal of 361809228 is 822908163.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56551 + ... + 62622.

It is an arithmetic number, because the mean of its divisors is an integer number (20021232).

Almost surely, 2^361809228 is an apocalyptic number.

It is an amenable number.

361809228 is an abundant number, since it is smaller than the sum of its proper divisors (599209908).

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

361809228 is a wasteful number, since it uses less digits than its factorization.

361809228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119214 (or 119212 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 361809228 is about 19021.2835529046. The cubic root of 361809228 is about 712.5683795253.

The spelling of 361809228 in words is "three hundred sixty-one million, eight hundred nine thousand, two hundred twenty-eight".