1996604 has 6 divisors (see below), whose sum is σ = 3494064. Its totient is φ = 998300.

The previous prime is 1996583. The next prime is 1996609. The reversal of 1996604 is 4066991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249572 + ... + 249579.

It is an arithmetic number, because the mean of its divisors is an integer number (582344).

2^1996604 is an apocalyptic number.

It is an amenable number.

1996604 is a deficient number, since it is larger than the sum of its proper divisors (1497460).

1996604 is a wasteful number, since it uses less digits than its factorization.

1996604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499155 (or 499153 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1996604 is about 1413.0123849422. The cubic root of 1996604 is about 125.9207530576.

Subtracting from 1996604 its sum of digits (35), we obtain a square (1996569 = 1413²).

The spelling of 1996604 in words is "one million, nine hundred ninety-six thousand, six hundred four".