7384421 has 8 divisors (see below), whose sum is σ = 8075424. Its totient is φ = 6696720.

The previous prime is 7384411. The next prime is 7384439. The reversal of 7384421 is 1244837.

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

It is a cyclic number.

It is not a de Polignac number, because 7384421 - 2¹⁴ = 7368037 is a prime.

It is an Ulam 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 (7384411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8231 + ... + 9083.

It is an arithmetic number, because the mean of its divisors is an integer number (1009428).

Almost surely, 2^7384421 is an apocalyptic number.

It is an amenable number.

7384421 is a deficient number, since it is larger than the sum of its proper divisors (691003).

7384421 is a wasteful number, since it uses less digits than its factorization.

7384421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its digits is 5376, while the sum is 29.

The square root of 7384421 is about 2717.4291159108. The cubic root of 7384421 is about 194.7326689596.

The spelling of 7384421 in words is "seven million, three hundred eighty-four thousand, four hundred twenty-one".