368917220 has 48 divisors (see below), whose sum is σ = 892416000. Its totient is φ = 125483904.

The previous prime is 368917189. The next prime is 368917229. The reversal of 368917220 is 22719863.

It is not an unprimeable number, because it can be changed into a prime (368917229) 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, 7406 + ... + 28154.

It is an arithmetic number, because the mean of its divisors is an integer number (18592000).

Almost surely, 2^368917220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 368917220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446208000).

368917220 is an abundant number, since it is smaller than the sum of its proper divisors (523498780).

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

368917220 is a wasteful number, since it uses less digits than its factorization.

368917220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20892 (or 20890 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 368917220 is about 19207.2179141072. The cubic root of 368917220 is about 717.2044503836.

The spelling of 368917220 in words is "three hundred sixty-eight million, nine hundred seventeen thousand, two hundred twenty".