28982332 has 6 divisors (see below), whose sum is σ = 50719088. Its totient is φ = 14491164.

The previous prime is 28982321. The next prime is 28982333. The reversal of 28982332 is 23328982.

It is a happy number.

It is a super-3 number, since 3×28982332³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28982291 and 28982300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28982333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3622788 + ... + 3622795.

Almost surely, 2^28982332 is an apocalyptic number.

It is an amenable number.

28982332 is a deficient number, since it is larger than the sum of its proper divisors (21736756).

28982332 is a wasteful number, since it uses less digits than its factorization.

28982332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245587 (or 7245585 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 28982332 is about 5383.5241245861. The cubic root of 28982332 is about 307.1692771422.

It can be divided in two parts, 289 and 82332, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 28982332 in words is "twenty-eight million, nine hundred eighty-two thousand, three hundred thirty-two".