3623298421 has 4 divisors (see below), whose sum is σ = 3638849292. Its totient is φ = 3607747552.

The previous prime is 3623298389. The next prime is 3623298433. The reversal of 3623298421 is 1248923263.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 943165521 + 2680132900 = 30711^2 + 51770^2 .

It is a cyclic number.

It is not a de Polignac number, because 3623298421 - 2⁵ = 3623298389 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3626298421) 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, 7775086 + ... + 7775551.

It is an arithmetic number, because the mean of its divisors is an integer number (909712323).

Almost surely, 2^3623298421 is an apocalyptic number.

It is an amenable number.

3623298421 is a deficient number, since it is larger than the sum of its proper divisors (15550871).

3623298421 is a wasteful number, since it uses less digits than its factorization.

3623298421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15550870.

The product of its digits is 124416, while the sum is 40.

The square root of 3623298421 is about 60193.8403908573. The cubic root of 3623298421 is about 1535.9180170736.

The spelling of 3623298421 in words is "three billion, six hundred twenty-three million, two hundred ninety-eight thousand, four hundred twenty-one".