361993652 has 6 divisors (see below), whose sum is σ = 633488898. Its totient is φ = 180996824.

The previous prime is 361993609. The next prime is 361993661. The reversal of 361993652 is 256399163.

It can be written as a sum of positive squares in only one way, i.e., 276689956 + 85303696 = 16634^2 + 9236^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45249203 + ... + 45249210.

It is an arithmetic number, because the mean of its divisors is an integer number (105581483).

Almost surely, 2^361993652 is an apocalyptic number.

It is an amenable number.

361993652 is a deficient number, since it is larger than the sum of its proper divisors (271495246).

361993652 is a wasteful number, since it uses less digits than its factorization.

361993652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90498417 (or 90498415 counting only the distinct ones).

The product of its digits is 262440, while the sum is 44.

The square root of 361993652 is about 19026.1307679728. The cubic root of 361993652 is about 712.6894307852.

The spelling of 361993652 in words is "three hundred sixty-one million, nine hundred ninety-three thousand, six hundred fifty-two".