32431980 has 96 divisors (see below), whose sum is σ = 106638336. Its totient is φ = 7209216.

The previous prime is 32431979. The next prime is 32431999. The reversal of 32431980 is 8913423.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14497 + ... + 16583.

It is an arithmetic number, because the mean of its divisors is an integer number (1110816).

Almost surely, 2^32431980 is an apocalyptic number.

32431980 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 32431980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53319168).

32431980 is an abundant number, since it is smaller than the sum of its proper divisors (74206356).

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

32431980 is a wasteful number, since it uses less digits than its factorization.

32431980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 32431980 is about 5694.9082521143. The cubic root of 32431980 is about 318.9024246007.

It can be divided in two parts, 32431 and 980, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 32431980 in words is "thirty-two million, four hundred thirty-one thousand, nine hundred eighty".