5421612 has 96 divisors (see below), whose sum is σ = 15769600. Its totient is φ = 1415232.

The previous prime is 5421607. The next prime is 5421641. The reversal of 5421612 is 2161245.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 68589 + ... + 68667.

Almost surely, 2^5421612 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 5421612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7884800).

5421612 is an abundant number, since it is smaller than the sum of its proper divisors (10347988).

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

5421612 is a wasteful number, since it uses less digits than its factorization.

5421612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 153 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 5421612 is about 2328.4355262708. The cubic root of 5421612 is about 175.6748041187.

Adding to 5421612 its reverse (2161245), we get a palindrome (7582857).

The spelling of 5421612 in words is "five million, four hundred twenty-one thousand, six hundred twelve".