32140648 has 8 divisors (see below), whose sum is σ = 60263730. Its totient is φ = 16070320.

The previous prime is 32140639. The next prime is 32140649. The reversal of 32140648 is 84604123.

It can be written as a sum of positive squares in only one way, i.e., 24423364 + 7717284 = 4942^2 + 2778^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×32140648³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (32140649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2008783 + ... + 2008798.

Almost surely, 2^32140648 is an apocalyptic number.

It is an amenable number.

32140648 is a deficient number, since it is larger than the sum of its proper divisors (28123082).

32140648 is a wasteful number, since it uses less digits than its factorization.

32140648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017587 (or 4017583 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 32140648 is about 5669.2722637037. The cubic root of 32140648 is about 317.9446655562.

The spelling of 32140648 in words is "thirty-two million, one hundred forty thousand, six hundred forty-eight".