32993397 has 12 divisors (see below), whose sum is σ = 48820044. Its totient is φ = 21458880.

The previous prime is 32993377. The next prime is 32993407. The reversal of 32993397 is 79339923.

It can be written as a sum of positive squares in 2 ways, for example, as 6922161 + 26071236 = 2631^2 + 5106^2 .

It is not a de Polignac number, because 32993397 - 2⁶ = 32993333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32993327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44338 + ... + 45075.

It is an arithmetic number, because the mean of its divisors is an integer number (4068337).

Almost surely, 2^32993397 is an apocalyptic number.

It is an amenable number.

32993397 is a deficient number, since it is larger than the sum of its proper divisors (15826647).

32993397 is a wasteful number, since it uses less digits than its factorization.

32993397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89460 (or 89457 counting only the distinct ones).

The product of its digits is 275562, while the sum is 45.

The square root of 32993397 is about 5743.9879004051. The cubic root of 32993397 is about 320.7320382906.

The spelling of 32993397 in words is "thirty-two million, nine hundred ninety-three thousand, three hundred ninety-seven".