32338981 has 4 divisors (see below), whose sum is σ = 34241292. Its totient is φ = 30436672.

The previous prime is 32338949. The next prime is 32338993. The reversal of 32338981 is 18983323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18983323 = 457 ⋅41539.

It can be written as a sum of positive squares in 2 ways, for example, as 15249025 + 17089956 = 3905^2 + 4134^2 .

It is a cyclic number.

It is not a de Polignac number, because 32338981 - 2⁵ = 32338949 is a prime.

It is a super-2 number, since 2×32338981² = 2091619384236722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32338981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32332981) 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, 951130 + ... + 951163.

It is an arithmetic number, because the mean of its divisors is an integer number (8560323).

Almost surely, 2^32338981 is an apocalyptic number.

It is an amenable number.

32338981 is a deficient number, since it is larger than the sum of its proper divisors (1902311).

32338981 is a wasteful number, since it uses less digits than its factorization.

32338981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902310.

The product of its digits is 31104, while the sum is 37.

The square root of 32338981 is about 5686.7372895185. The cubic root of 32338981 is about 318.5973142369.

It can be divided in two parts, 323 and 38981, that added together give a cube (39304 = 34³).

The spelling of 32338981 in words is "thirty-two million, three hundred thirty-eight thousand, nine hundred eighty-one".