33776982 has 12 divisors (see below), whose sum is σ = 73183500. Its totient is φ = 11258988.

The previous prime is 33776971. The next prime is 33776983. The reversal of 33776982 is 28967733.

It is a happy number.

It is a super-2 number, since 2×33776982² = 2281769026056648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33776983) 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 5 ways as a sum of consecutive naturals, for example, 938232 + ... + 938267.

It is an arithmetic number, because the mean of its divisors is an integer number (6098625).

Almost surely, 2^33776982 is an apocalyptic number.

33776982 is an abundant number, since it is smaller than the sum of its proper divisors (39406518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33776982 is a wasteful number, since it uses less digits than its factorization.

33776982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876507 (or 1876504 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 33776982 is about 5811.7967961724. The cubic root of 33776982 is about 323.2513005010.

Subtracting from 33776982 its reverse (28967733), we obtain a square (4809249 = 2193²).

The spelling of 33776982 in words is "thirty-three million, seven hundred seventy-six thousand, nine hundred eighty-two".