1604002 has 16 divisors (see below), whose sum is σ = 2548224. Its totient is φ = 756000.

The previous prime is 1603963. The next prime is 1604003. The reversal of 1604002 is 2004061.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1604003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2227 + ... + 2857.

It is an arithmetic number, because the mean of its divisors is an integer number (159264).

2^1604002 is an apocalyptic number.

1604002 is a deficient number, since it is larger than the sum of its proper divisors (944222).

1604002 is a wasteful number, since it uses less digits than its factorization.

1604002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1604002 is about 1266.4920055018. The cubic root of 1604002 is about 117.0581443289.

Adding to 1604002 its reverse (2004061), we get a palindrome (3608063).

The spelling of 1604002 in words is "one million, six hundred four thousand, two".