32981004 has 72 divisors (see below), whose sum is σ = 98585760. Its totient is φ = 9096192.

The previous prime is 32980943. The next prime is 32981009. The reversal of 32981004 is 40018923.

It is not an unprimeable number, because it can be changed into a prime (32981009) 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, 5052 + ... + 9564.

Almost surely, 2^32981004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32981004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49292880).

32981004 is an abundant number, since it is smaller than the sum of its proper divisors (65604756).

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

32981004 is a wasteful number, since it uses less digits than its factorization.

32981004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559 (or 4554 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 32981004 is about 5742.9090189555. The cubic root of 32981004 is about 320.6918754065.

Adding to 32981004 its reverse (40018923), we get a palindrome (72999927).

The spelling of 32981004 in words is "thirty-two million, nine hundred eighty-one thousand, four".