33863966 has 48 divisors (see below), whose sum is σ = 59253120. Its totient is φ = 14446080.

The previous prime is 33863957. The next prime is 33863969. The reversal of 33863966 is 66936833.

It is a happy number.

It is a super-2 number, since 2×33863966² = 2293536386498312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33863969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380450 + ... + 380538.

It is an arithmetic number, because the mean of its divisors is an integer number (1234440).

Almost surely, 2^33863966 is an apocalyptic number.

33863966 is a deficient number, since it is larger than the sum of its proper divisors (25389154).

33863966 is a wasteful number, since it uses less digits than its factorization.

33863966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 158 counting only the distinct ones).

The product of its digits is 419904, while the sum is 44.

The square root of 33863966 is about 5819.2753844444. The cubic root of 33863966 is about 323.5285463973.

The spelling of 33863966 in words is "thirty-three million, eight hundred sixty-three thousand, nine hundred sixty-six".