3431680 has 72 divisors (see below), whose sum is σ = 9418752. Its totient is φ = 1173504.

The previous prime is 3431641. The next prime is 3431689. The reversal of 3431680 is 861343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8769 + ... + 9151.

It is an arithmetic number, because the mean of its divisors is an integer number (130816).

Almost surely, 2^3431680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3431680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4709376).

3431680 is an abundant number, since it is smaller than the sum of its proper divisors (5987072).

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

3431680 is an equidigital number, since it uses as much as digits as its factorization.

3431680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3431680 is about 1852.4794195888. The cubic root of 3431680 is about 150.8350463941.

The spelling of 3431680 in words is "three million, four hundred thirty-one thousand, six hundred eighty".