32840438 has 4 divisors (see below), whose sum is σ = 49260660. Its totient is φ = 16420218.

The previous prime is 32840419. The next prime is 32840461. The reversal of 32840438 is 83404823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83404823 = 1721 ⋅48463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8210108 + ... + 8210111.

It is an arithmetic number, because the mean of its divisors is an integer number (12315165).

Almost surely, 2^32840438 is an apocalyptic number.

32840438 is a deficient number, since it is larger than the sum of its proper divisors (16420222).

32840438 is a wasteful number, since it uses less digits than its factorization.

32840438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16420221.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 32840438 is about 5730.6577283938. The cubic root of 32840438 is about 320.2356272381.

The spelling of 32840438 in words is "thirty-two million, eight hundred forty thousand, four hundred thirty-eight".