33261964 has 12 divisors (see below), whose sum is σ = 59781904. Its totient is φ = 16181424.

The previous prime is 33261961. The next prime is 33261971. The reversal of 33261964 is 46916233.

It is a happy number.

It is a super-2 number, since 2×33261964² = 2212716498274592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (33261961) 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, 112224 + ... + 112519.

Almost surely, 2^33261964 is an apocalyptic number.

It is an amenable number.

33261964 is a deficient number, since it is larger than the sum of its proper divisors (26519940).

33261964 is a wasteful number, since it uses less digits than its factorization.

33261964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224784 (or 224782 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The square root of 33261964 is about 5767.3186143996. The cubic root of 33261964 is about 321.5999429676.

It can be divided in two parts, 33261 and 964, that added together give a square (34225 = 185²).

The spelling of 33261964 in words is "thirty-three million, two hundred sixty-one thousand, nine hundred sixty-four".