32478940 has 24 divisors (see below), whose sum is σ = 73452960. Its totient is φ = 11992128.

The previous prime is 32478937. The next prime is 32478949. The reversal of 32478940 is 4987423.

32478940 = T₉₆₇ + T₉₆₈ + ... + T₁₀₃₁.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 32478940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32478949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62200 + ... + 62719.

It is an arithmetic number, because the mean of its divisors is an integer number (3060540).

Almost surely, 2^32478940 is an apocalyptic number.

It is an amenable number.

32478940 is an abundant number, since it is smaller than the sum of its proper divisors (40974020).

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

32478940 is a wasteful number, since it uses less digits than its factorization.

32478940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124941 (or 124939 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 32478940 is about 5699.0297419824. The cubic root of 32478940 is about 319.0562690021.

The spelling of 32478940 in words is "thirty-two million, four hundred seventy-eight thousand, nine hundred forty".