4621403 has 4 divisors (see below), whose sum is σ = 4657920. Its totient is φ = 4584888.

The previous prime is 4621381. The next prime is 4621439. The reversal of 4621403 is 3041264.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4621403 - 2¹⁶ = 4555867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4621453) 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, 18068 + ... + 18321.

It is an arithmetic number, because the mean of its divisors is an integer number (1164480).

Almost surely, 2^4621403 is an apocalyptic number.

4621403 is a deficient number, since it is larger than the sum of its proper divisors (36517).

4621403 is a wasteful number, since it uses less digits than its factorization.

4621403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36516.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4621403 is about 2149.7448685832. The cubic root of 4621403 is about 166.5678885800.

Adding to 4621403 its reverse (3041264), we get a palindrome (7662667).

The spelling of 4621403 in words is "four million, six hundred twenty-one thousand, four hundred three".