1689137 has 8 divisors (see below), whose sum is σ = 1816416. Its totient is φ = 1564992.

The previous prime is 1689113. The next prime is 1689167. The reversal of 1689137 is 7319861.

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 1689137 - 2¹⁴ = 1672753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1689097 and 1689106.

It is not an unprimeable number, because it can be changed into a prime (1689167) 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, 398 + ... + 1880.

It is an arithmetic number, because the mean of its divisors is an integer number (227052).

2^1689137 is an apocalyptic number.

1689137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1689137 is a deficient number, since it is larger than the sum of its proper divisors (127279).

1689137 is a wasteful number, since it uses less digits than its factorization.

1689137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567.

The product of its digits is 9072, while the sum is 35.

The square root of 1689137 is about 1299.6680345381. The cubic root of 1689137 is about 119.0935638710.

The spelling of 1689137 in words is "one million, six hundred eighty-nine thousand, one hundred thirty-seven".