5421836 has 24 divisors (see below), whose sum is σ = 11316480. Its totient is φ = 2222352.

The previous prime is 5421833. The next prime is 5421839. The reversal of 5421836 is 6381245.

It is an interprime number because it is at equal distance from previous prime (5421833) and next prime (5421839).

It is a super-2 number, since 2×5421836² = 58792611221792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5421799 and 5421808.

It is not an unprimeable number, because it can be changed into a prime (5421833) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3566 + ... + 4853.

It is an arithmetic number, because the mean of its divisors is an integer number (471520).

Almost surely, 2^5421836 is an apocalyptic number.

It is an amenable number.

5421836 is an abundant number, since it is smaller than the sum of its proper divisors (5894644).

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

5421836 is a wasteful number, since it uses less digits than its factorization.

5421836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453 (or 8451 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 5421836 is about 2328.4836267408. The cubic root of 5421836 is about 175.6772234861.

The spelling of 5421836 in words is "five million, four hundred twenty-one thousand, eight hundred thirty-six".