4621438 has 8 divisors (see below), whose sum is σ = 7101360. Its totient is φ = 2254320.

The previous prime is 4621381. The next prime is 4621439. The reversal of 4621438 is 8341264.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621439) 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 3 ways as a sum of consecutive naturals, for example, 28098 + ... + 28261.

It is an arithmetic number, because the mean of its divisors is an integer number (887670).

Almost surely, 2^4621438 is an apocalyptic number.

4621438 is a deficient number, since it is larger than the sum of its proper divisors (2479922).

4621438 is a wasteful number, since it uses less digits than its factorization.

4621438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56402.

The product of its digits is 4608, while the sum is 28.

The square root of 4621438 is about 2149.7530090687. The cubic root of 4621438 is about 166.5683090772.

The spelling of 4621438 in words is "four million, six hundred twenty-one thousand, four hundred thirty-eight".