1610089 has 4 divisors (see below), whose sum is σ = 1733956. Its totient is φ = 1486224.

The previous prime is 1610083. The next prime is 1610093. The reversal of 1610089 is 9800161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9800161 = 7 ⋅1400023.

It can be written as a sum of positive squares in 2 ways, for example, as 739600 + 870489 = 860^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 1610089 - 2⁵ = 1610057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1610083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61914 + ... + 61939.

It is an arithmetic number, because the mean of its divisors is an integer number (433489).

2^1610089 is an apocalyptic number.

It is an amenable number.

1610089 is a deficient number, since it is larger than the sum of its proper divisors (123867).

1610089 is a wasteful number, since it uses less digits than its factorization.

1610089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123866.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1610089 is about 1268.8928244734. The cubic root of 1610089 is about 117.2060314042.

The spelling of 1610089 in words is "one million, six hundred ten thousand, eighty-nine".