369742820 has 24 divisors (see below), whose sum is σ = 784151928. Its totient is φ = 146432000.

The previous prime is 369742819. The next prime is 369742823. The reversal of 369742820 is 28247963.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 176199076 + 193543744 = 13274^2 + 13912^2 .

It is not an unprimeable number, because it can be changed into a prime (369742823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89501 + ... + 93540.

It is an arithmetic number, because the mean of its divisors is an integer number (32672997).

Almost surely, 2^369742820 is an apocalyptic number.

It is an amenable number.

369742820 is an abundant number, since it is smaller than the sum of its proper divisors (414409108).

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

369742820 is a wasteful number, since it uses less digits than its factorization.

369742820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183151 (or 183149 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 369742820 is about 19228.6978238257. The cubic root of 369742820 is about 717.7390624914.

The spelling of 369742820 in words is "three hundred sixty-nine million, seven hundred forty-two thousand, eight hundred twenty".