3541620 has 48 divisors (see below), whose sum is σ = 10075968. Its totient is φ = 929280.

The previous prime is 3541613. The next prime is 3541631. The reversal of 3541620 is 261453.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3580 + ... + 4460.

It is an arithmetic number, because the mean of its divisors is an integer number (209916).

Almost surely, 2^3541620 is an apocalyptic number.

3541620 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 3541620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5037984).

3541620 is an abundant number, since it is smaller than the sum of its proper divisors (6534348).

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

3541620 is a wasteful number, since it uses less digits than its factorization.

3541620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3541620 is about 1881.9192331235. The cubic root of 3541620 is about 152.4289017320.

The spelling of 3541620 in words is "three million, five hundred forty-one thousand, six hundred twenty".