32930040 has 256 divisors, whose sum is σ = 123379200. Its totient is φ = 6912000.

The previous prime is 32930039. The next prime is 32930041. The reversal of 32930040 is 4003923.

It is an interprime number because it is at equal distance from previous prime (32930039) and next prime (32930041).

It is a junction number, because it is equal to n+sod(n) for n = 32929989 and 32930016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32930041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 325990 + ... + 326090.

It is an arithmetic number, because the mean of its divisors is an integer number (481950).

Almost surely, 2^32930040 is an apocalyptic number.

32930040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32930040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61689600).

32930040 is an abundant number, since it is smaller than the sum of its proper divisors (90449160).

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

32930040 is a wasteful number, since it uses less digits than its factorization.

32930040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 32930040 is about 5738.4701794119. The cubic root of 32930040 is about 320.5266068742.

Adding to 32930040 its reverse (4003923), we get a palindrome (36933963).

The spelling of 32930040 in words is "thirty-two million, nine hundred thirty thousand, forty".