33013946 has 24 divisors (see below), whose sum is σ = 59469696. Its totient is φ = 13691160.

The previous prime is 33013921. The next prime is 33013951. The reversal of 33013946 is 64931033.

33013946 = 399² + 400² + ... + 545².

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2396 + ... + 8471.

It is an arithmetic number, because the mean of its divisors is an integer number (2477904).

Almost surely, 2^33013946 is an apocalyptic number.

33013946 is a deficient number, since it is larger than the sum of its proper divisors (26455750).

33013946 is a wasteful number, since it uses less digits than its factorization.

33013946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10914 (or 10907 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 33013946 is about 5745.7763618157. The cubic root of 33013946 is about 320.7986107510.

Adding to 33013946 its reverse (64931033), we get a palindrome (97944979).

The spelling of 33013946 in words is "thirty-three million, thirteen thousand, nine hundred forty-six".