32238420 has 24 divisors (see below), whose sum is σ = 90267744. Its totient is φ = 8596896.

The previous prime is 32238413. The next prime is 32238449. The reversal of 32238420 is 2483223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268594 + ... + 268713.

It is an arithmetic number, because the mean of its divisors is an integer number (3761156).

Almost surely, 2^32238420 is an apocalyptic number.

32238420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32238420 is an abundant number, since it is smaller than the sum of its proper divisors (58029324).

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

32238420 is a wasteful number, since it uses less digits than its factorization.

32238420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537319 (or 537317 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 32238420 is about 5677.8886921108. Note that the first 3 decimals coincide. The cubic root of 32238420 is about 318.2667355786.

The spelling of 32238420 in words is "thirty-two million, two hundred thirty-eight thousand, four hundred twenty".