1604093 has 2 divisors, whose sum is σ = 1604094. Its totient is φ = 1604092.

The previous prime is 1604087. The next prime is 1604101. The reversal of 1604093 is 3904061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1592644 + 11449 = 1262^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1604093 - 2⁸ = 1603837 is a prime.

It is a super-2 number, since 2×1604093² = 5146228705298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1604003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802046 + 802047.

It is an arithmetic number, because the mean of its divisors is an integer number (802047).

2^1604093 is an apocalyptic number.

It is an amenable number.

1604093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604093 is an equidigital number, since it uses as much as digits as its factorization.

1604093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1604093 is about 1266.5279309988. The cubic root of 1604093 is about 117.0603579774.

Subtracting 1604093 from its reverse (3904061), we obtain a cube (2299968 = 132³).

The spelling of 1604093 in words is "one million, six hundred four thousand, ninety-three".