361646730 has 24 divisors (see below), whose sum is σ = 940281732. Its totient is φ = 96439104.

The previous prime is 361646693. The next prime is 361646737. The reversal of 361646730 is 37646163.

It is a happy number.

361646730 is a `hidden beast` number, since 3 + 6 + 1 + 646 + 7 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 361646289 + 441 = 19017^2 + 21^2 .

It is not an unprimeable number, because it can be changed into a prime (361646737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2009059 + ... + 2009238.

Almost surely, 2^361646730 is an apocalyptic number.

361646730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

361646730 is an abundant number, since it is smaller than the sum of its proper divisors (578635002).

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

361646730 is a wasteful number, since it uses less digits than its factorization.

361646730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018310 (or 4018307 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 361646730 is about 19017.0115948852. The cubic root of 361646730 is about 712.4616858437.

The spelling of 361646730 in words is "three hundred sixty-one million, six hundred forty-six thousand, seven hundred thirty".