5437621 has 8 divisors (see below), whose sum is σ = 6229440. Its totient is φ = 4649568.

The previous prime is 5437613. The next prime is 5437639. The reversal of 5437621 is 1267345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5437621 - 2³ = 5437613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5437621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5437721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3690 + ... + 4948.

It is an arithmetic number, because the mean of its divisors is an integer number (778680).

Almost surely, 2^5437621 is an apocalyptic number.

It is an amenable number.

5437621 is a deficient number, since it is larger than the sum of its proper divisors (791819).

5437621 is a wasteful number, since it uses less digits than its factorization.

5437621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883.

The product of its digits is 5040, while the sum is 28.

The square root of 5437621 is about 2331.8707082512. The cubic root of 5437621 is about 175.8475457517.

It can be divided in two parts, 54 and 37621, that added together give a triangular number (37675 = T₂₇₄).

The spelling of 5437621 in words is "five million, four hundred thirty-seven thousand, six hundred twenty-one".