33401330 has 32 divisors (see below), whose sum is σ = 62694000. Its totient is φ = 12796672.

The previous prime is 33401327. The next prime is 33401363. The reversal of 33401330 is 3310433.

It can be written as a sum of positive squares in 8 ways, for example, as 1940449 + 31460881 = 1393^2 + 5609^2 .

It is a super-2 number, since 2×33401330² = 2231297691537800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33401299 and 33401308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42824 + ... + 43596.

Almost surely, 2^33401330 is an apocalyptic number.

33401330 is a deficient number, since it is larger than the sum of its proper divisors (29292670).

33401330 is a wasteful number, since it uses less digits than its factorization.

33401330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 33401330 is about 5779.3883759443. The cubic root of 33401330 is about 322.0484797703.

Adding to 33401330 its reverse (3310433), we get a palindrome (36711763).

The spelling of 33401330 in words is "thirty-three million, four hundred one thousand, three hundred thirty".