1606898 has 4 divisors (see below), whose sum is σ = 2410350. Its totient is φ = 803448.

The previous prime is 1606897. The next prime is 1606901. The reversal of 1606898 is 8986061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1530169 + 76729 = 1237^2 + 277^2 .

It is not an unprimeable number, because it can be changed into a prime (1606897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401723 + ... + 401726.

2^1606898 is an apocalyptic number.

1606898 is a deficient number, since it is larger than the sum of its proper divisors (803452).

1606898 is an equidigital number, since it uses as much as digits as its factorization.

1606898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803451.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1606898 is about 1267.6348054546. The cubic root of 1606898 is about 117.1285508435.

The spelling of 1606898 in words is "one million, six hundred six thousand, eight hundred ninety-eight".