1602406 has 8 divisors (see below), whose sum is σ = 2588544. Its totient is φ = 739560.

The previous prime is 1602401. The next prime is 1602407. The reversal of 1602406 is 6042061.

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 (1602401) 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, 30790 + ... + 30841.

It is an arithmetic number, because the mean of its divisors is an integer number (323568).

2^1602406 is an apocalyptic number.

1602406 is a deficient number, since it is larger than the sum of its proper divisors (986138).

1602406 is a wasteful number, since it uses less digits than its factorization.

1602406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61646.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1602406 is about 1265.8617618050. The cubic root of 1602406 is about 117.0193067221.

Adding to 1602406 its reverse (6042061), we get a palindrome (7644467).

The spelling of 1602406 in words is "one million, six hundred two thousand, four hundred six".