5621380 has 12 divisors (see below), whose sum is σ = 11804940. Its totient is φ = 2248544.

The previous prime is 5621327. The next prime is 5621383. The reversal of 5621380 is 831265.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4384836 + 1236544 = 2094^2 + 1112^2 .

It is not an unprimeable number, because it can be changed into a prime (5621383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140515 + ... + 140554.

It is an arithmetic number, because the mean of its divisors is an integer number (983745).

Almost surely, 2^5621380 is an apocalyptic number.

It is an amenable number.

5621380 is an abundant number, since it is smaller than the sum of its proper divisors (6183560).

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

5621380 is a wasteful number, since it uses less digits than its factorization.

5621380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281078 (or 281076 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 5621380 is about 2370.9449592937. The cubic root of 5621380 is about 177.8065060634.

The spelling of 5621380 in words is "five million, six hundred twenty-one thousand, three hundred eighty".