4302638 has 4 divisors (see below), whose sum is σ = 6453960. Its totient is φ = 2151318.

The previous prime is 4302631. The next prime is 4302691. The reversal of 4302638 is 8362034.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4302631) 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 as a sum of consecutive naturals, namely, 1075658 + ... + 1075661.

It is an arithmetic number, because the mean of its divisors is an integer number (1613490).

Almost surely, 2^4302638 is an apocalyptic number.

4302638 is a deficient number, since it is larger than the sum of its proper divisors (2151322).

4302638 is a wasteful number, since it uses less digits than its factorization.

4302638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151321.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4302638 is about 2074.2801160885. The cubic root of 4302638 is about 162.6465801663.

The spelling of 4302638 in words is "four million, three hundred two thousand, six hundred thirty-eight".