5621976 has 48 divisors (see below), whose sum is σ = 15383160. Its totient is φ = 1854720.

The previous prime is 5621953. The next prime is 5621983. The reversal of 5621976 is 6791265.

5621976 is a `hidden beast` number, since 562 + 1 + 97 + 6 = 666.

It is a super-2 number, since 2×5621976² = 63213228289152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5621976.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7791 + ... + 8481.

Almost surely, 2^5621976 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 5621976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7691580).

5621976 is an abundant number, since it is smaller than the sum of its proper divisors (9761184).

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

5621976 is a wasteful number, since it uses less digits than its factorization.

5621976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 809 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 5621976 is about 2371.0706442449. The cubic root of 5621976 is about 177.8127897477.

The spelling of 5621976 in words is "five million, six hundred twenty-one thousand, nine hundred seventy-six".