3541720 has 96 divisors (see below), whose sum is σ = 10054800. Its totient is φ = 1112832.

The previous prime is 3541709. The next prime is 3541723. The reversal of 3541720 is 271453.

It is a junction number, because it is equal to n+sod(n) for n = 3541691 and 3541700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3541723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25411 + ... + 25549.

Almost surely, 2^3541720 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 3541720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5027400).

3541720 is an abundant number, since it is smaller than the sum of its proper divisors (6513080).

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

3541720 is a wasteful number, since it uses less digits than its factorization.

3541720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3541720 is about 1881.9458015575. The cubic root of 3541720 is about 152.4303363623.

The spelling of 3541720 in words is "three million, five hundred forty-one thousand, seven hundred twenty".