1600049 has 4 divisors (see below), whose sum is σ = 1745520. Its totient is φ = 1454580.

The previous prime is 1600037. The next prime is 1600051. The reversal of 1600049 is 9400061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1600049 - 2⁴ = 1600033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1600049.

It is not an unprimeable number, because it can be changed into a prime (1600069) 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, 72719 + ... + 72740.

It is an arithmetic number, because the mean of its divisors is an integer number (436380).

2^1600049 is an apocalyptic number.

It is an amenable number.

1600049 is a deficient number, since it is larger than the sum of its proper divisors (145471).

1600049 is a wasteful number, since it uses less digits than its factorization.

1600049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145470.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1600049 is about 1264.9304328697. The cubic root of 1600049 is about 116.9619034902.

The spelling of 1600049 in words is "one million, six hundred thousand, forty-nine".