33130286 has 16 divisors (see below), whose sum is σ = 56868864. Its totient is φ = 14180184.

The previous prime is 33130283. The next prime is 33130313. The reversal of 33130286 is 68203133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130283) 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, 19091 + ... + 20753.

It is an arithmetic number, because the mean of its divisors is an integer number (3554304).

Almost surely, 2^33130286 is an apocalyptic number.

33130286 is a deficient number, since it is larger than the sum of its proper divisors (23738578).

33130286 is a wasteful number, since it uses less digits than its factorization.

33130286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 33130286 is about 5755.8914166270. The cubic root of 33130286 is about 321.1749966967.

The spelling of 33130286 in words is "thirty-three million, one hundred thirty thousand, two hundred eighty-six".