36281930 has 8 divisors (see below), whose sum is σ = 65307492. Its totient is φ = 14512768.

The previous prime is 36281909. The next prime is 36281933. The reversal of 36281930 is 3918263.

It can be written as a sum of positive squares in 2 ways, for example, as 34374769 + 1907161 = 5863^2 + 1381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (36281933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814087 + ... + 1814106.

Almost surely, 2^36281930 is an apocalyptic number.

36281930 is a deficient number, since it is larger than the sum of its proper divisors (29025562).

36281930 is a wasteful number, since it uses less digits than its factorization.

36281930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628200.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 36281930 is about 6023.4483479150. The cubic root of 36281930 is about 331.0524404034.

The spelling of 36281930 in words is "thirty-six million, two hundred eighty-one thousand, nine hundred thirty".