4391602 has 4 divisors (see below), whose sum is σ = 6587406. Its totient is φ = 2195800.

The previous prime is 4391591. The next prime is 4391609. The reversal of 4391602 is 2061934.

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., 4372281 + 19321 = 2091^2 + 139^2 .

It is not an unprimeable number, because it can be changed into a prime (4391609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097899 + ... + 1097902.

Almost surely, 2^4391602 is an apocalyptic number.

4391602 is a deficient number, since it is larger than the sum of its proper divisors (2195804).

4391602 is a wasteful number, since it uses less digits than its factorization.

4391602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195803.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 4391602 is about 2095.6149455470. The cubic root of 4391602 is about 163.7599352983.

The spelling of 4391602 in words is "four million, three hundred ninety-one thousand, six hundred two".