438602 has 4 divisors (see below), whose sum is σ = 657906. Its totient is φ = 219300.

The previous prime is 438601. The next prime is 438611. The reversal of 438602 is 206834.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 436921 + 1681 = 661^2 + 41^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (438601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109649 + ... + 109652.

2⁴³⁸⁶⁰² is an apocalyptic number.

438602 is a deficient number, since it is larger than the sum of its proper divisors (219304).

438602 is a wasteful number, since it uses less digits than its factorization.

438602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219303.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 438602 is about 662.2703375511. The cubic root of 438602 is about 75.9784103033.

The spelling of 438602 in words is "four hundred thirty-eight thousand, six hundred two".