32933428 has 12 divisors (see below), whose sum is σ = 62872992. Its totient is φ = 14969720.

The previous prime is 32933413. The next prime is 32933431. The reversal of 32933428 is 82433923.

It is a super-2 number, since 2×32933428² = 2169221359662368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32933393 and 32933402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374200 + ... + 374287.

It is an arithmetic number, because the mean of its divisors is an integer number (5239416).

Almost surely, 2^32933428 is an apocalyptic number.

It is an amenable number.

32933428 is a deficient number, since it is larger than the sum of its proper divisors (29939564).

32933428 is a wasteful number, since it uses less digits than its factorization.

32933428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748502 (or 748500 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 32933428 is about 5738.7653724473. The cubic root of 32933428 is about 320.5375989340.

The spelling of 32933428 in words is "thirty-two million, nine hundred thirty-three thousand, four hundred twenty-eight".