1606087 has 6 divisors (see below), whose sum is σ = 1839368. Its totient is φ = 1373772.

The previous prime is 1606081. The next prime is 1606097. The reversal of 1606087 is 7806061.

It is a de Polignac number, because none of the positive numbers 2^k-1606087 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 (1606081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3114 + ... + 3592.

2^1606087 is an apocalyptic number.

1606087 is a deficient number, since it is larger than the sum of its proper divisors (233281).

1606087 is an frugal number, since it uses more digits than its factorization.

1606087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1606087 is about 1267.3148779999. The cubic root of 1606087 is about 117.1088426355.

Multiplying 1606087 by its sum of digits (28), we get a square (44970436 = 6706²).

The spelling of 1606087 in words is "one million, six hundred six thousand, eighty-seven".