32481438 has 32 divisors (see below), whose sum is σ = 71079552. Its totient is φ = 9813600.

The previous prime is 32481433. The next prime is 32481457. The reversal of 32481438 is 83418423.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 32481399 and 32481408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32481433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34048 + ... + 34988.

It is an arithmetic number, because the mean of its divisors is an integer number (2221236).

Almost surely, 2^32481438 is an apocalyptic number.

32481438 is an abundant number, since it is smaller than the sum of its proper divisors (38598114).

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

32481438 is a wasteful number, since it uses less digits than its factorization.

32481438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its digits is 18432, while the sum is 33.

The square root of 32481438 is about 5699.2488978812. The cubic root of 32481438 is about 319.0644484781.

The spelling of 32481438 in words is "thirty-two million, four hundred eighty-one thousand, four hundred thirty-eight".