3821562 has 24 divisors (see below), whose sum is σ = 8566740. Its totient is φ = 1229760.

The previous prime is 3821513. The next prime is 3821563. The reversal of 3821562 is 2651283.

It can be written as a sum of positive squares in 2 ways, for example, as 3316041 + 505521 = 1821^2 + 711^2 .

It is a super-2 number, since 2×3821562² = 29208672239688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3821563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3139 + ... + 4182.

Almost surely, 2^3821562 is an apocalyptic number.

3821562 is an abundant number, since it is smaller than the sum of its proper divisors (4745178).

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

3821562 is a wasteful number, since it uses less digits than its factorization.

3821562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358 (or 7355 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 3821562 is about 1954.8815820914. The cubic root of 3821562 is about 156.3436703410.

The spelling of 3821562 in words is "three million, eight hundred twenty-one thousand, five hundred sixty-two".