1604801 has 8 divisors (see below), whose sum is σ = 1798464. Its totient is φ = 1419120.

The previous prime is 1604753. The next prime is 1604809. The reversal of 1604801 is 1084061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1604801 - 2⁶ = 1604737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1604809) 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, 1565 + ... + 2378.

It is an arithmetic number, because the mean of its divisors is an integer number (224808).

2^1604801 is an apocalyptic number.

1604801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1604801 is a deficient number, since it is larger than the sum of its proper divisors (193663).

1604801 is a wasteful number, since it uses less digits than its factorization.

1604801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1604801 is about 1266.8074044621. The cubic root of 1604801 is about 117.0775777901.

Adding to 1604801 its reverse (1084061), we get a palindrome (2688862).

The spelling of 1604801 in words is "one million, six hundred four thousand, eight hundred one".