1604248843 has 8 divisors (see below), whose sum is σ = 1706237568. Its totient is φ = 1503106944.

The previous prime is 1604248829. The next prime is 1604248847. The reversal of 1604248843 is 3488424061.

It is a happy number.

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 1604248843 - 2¹⁷ = 1604117771 is a prime.

It is a super-2 number, since 2×1604248843² = 5147228700533677298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1604248796 and 1604248805.

It is not an unprimeable number, because it can be changed into a prime (1604248847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207796 + ... + 215377.

It is an arithmetic number, because the mean of its divisors is an integer number (213279696).

Almost surely, 2^1604248843 is an apocalyptic number.

1604248843 is a deficient number, since it is larger than the sum of its proper divisors (101988725).

1604248843 is a wasteful number, since it uses less digits than its factorization.

1604248843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423413.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 1604248843 is about 40053.0753251233. The cubic root of 1604248843 is about 1170.6414878972.

The spelling of 1604248843 in words is "one billion, six hundred four million, two hundred forty-eight thousand, eight hundred forty-three".